skulpttest

skulpt.min.js (559460B)

---

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 function c(a){a=a.$mangled;const b=this.prototype.tp$mro;for(let d=0;d<b.length;++d){const c=b[d].prototype;if(c.hasOwnProperty(a))return c[a]}}function b(b,f,h,k){const d=e(h),g=f.prototype;Sk.abstr.setUpInheritance(b,f,d,k);Object.defineProperties(g,{sk$prototypical:{value:!0,writable:!0},tp$bases:{value:h,writable:!0},tp$mro:{value:null,writable:!0},hp$type:{value:!0,writable:!0}});g.tp$mro=f.$buildMRO();Object.defineProperties(f,{$typeLookup:{value:g.sk$prototypical?a:c,writable:!0},sk$klass:{value:!0,
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 (e.prototype.__dict__=new Sk.builtin.getset_descriptor(e,h));a.$items().forEach(([a,b])=>{e.prototype[a.$mangled]=b});e.prototype.hasOwnProperty("__new__")&&(a=e.prototype.__new__,a instanceof Sk.builtin.func&&(e.prototype.__new__=new Sk.builtin.staticmethod(a)));e.$allocateSlots();return e},tp$getattr:function(a,b){var d=this.ob$type;const c=d.$typeLookup(a);let e;if(void 0!==c&&(e=c.tp$descr_get,void 0!==e&&void 0!==c.tp$descr_set))return b=e.call(c,this,d,b);a=this.$typeLookup(a);if(void 0!==a)return d=
 a.tp$descr_get,void 0!==d?b=d.call(a,null,this,b):a;if(void 0!==e)return b=e.call(c,this,d,b);if(void 0!==c)return c},tp$setattr:function(a,b,c){if(!this.sk$klass){if(void 0!==b)throw new Sk.builtin.TypeError("can't set attributes of built-in/extension type '"+this.prototype.tp$name+"'");throw new Sk.builtin.TypeError("can't delete attributes on type object '"+this.prototype.tp$name+"'");}const d=this.ob$type.$typeLookup(a);if(void 0!==d){const a=d.tp$descr_set;if(a)return a.call(d,this,b,c)}c=a.$mangled;
 if(void 0===b)if(b=this.prototype,b.hasOwnProperty(c))delete b[c],a=Sk.dunderToSkulpt[c],void 0!==a&&(delete this.prototype[a],b.sk$prototypical||this.$allocateGetterSlot(c));else throw new Sk.builtin.AttributeError("type object '"+this.prototype.tp$name+"' has no attribute '"+a.$jsstr()+"'");else this.prototype[c]=b,c in Sk.dunderToSkulpt&&this.$allocateSlot(c,b)},$r:function(){let a=this.prototype.__module__,b="",c="class";a&&Sk.builtin.checkString(a)?b=a.v+".":a=null;a||this.sk$klass||Sk.__future__.class_repr||
 (c="type");return new Sk.builtin.str("<"+c+" '"+b+this.prototype.tp$name+"'>")}},writable:!0},tp$methods:{value:null,writable:!0},tp$getsets:{value:null,writable:!0},sk$type:{value:!0},$isSubType:{value:function(a){return this===a||this.prototype instanceof a||!this.prototype.sk$prototypical&&this.prototype.tp$mro.includes(a)}},$allocateSlot:{value:function(a,b){a=Sk.slots[a];const c=a.$slot_name,d=this.prototype;d.hasOwnProperty(c)&&delete d[c];d[c]=a.$slot_func(b)}},$allocateSlots:{value:function(){const a=
 this.prototype;this.prototype.sk$prototypical?Object.keys(a).forEach(b=>{b in Sk.slots&&this.$allocateSlot(b,a[b])}):Object.keys(Sk.slots).forEach(b=>{a.hasOwnProperty(b)?this.$allocateSlot(b,a[b]):this.$allocateGetterSlot(b)})}},$allocateGetterSlot:{value:function(a){const b=Sk.slots[a].$slot_name,c=this.prototype;c.hasOwnProperty(b)||Object.defineProperty(c,b,{configurable:!0,get(){const a=c.tp$mro;for(let c=1;c<a.length;c++){const d=Object.getOwnPropertyDescriptor(a[c].prototype,b);if(void 0!==
 d&&d.value)return d.value}}})}},$typeLookup:{value:function(a){return this.prototype.sk$prototypical?this.prototype[a.$mangled]:c.call(this,a)},writable:!0},$mroMerge:{value:function(a){this.prototype.sk$prototypical=!0;let b;const c=[];for(;;){for(b=0;b<a.length;++b){var d=a[b];if(0!==d.length)break}if(b===a.length)return c;var e=[];for(b=0;b<a.length;++b)if(d=a[b],0!==d.length){const b=d[0];d=0;a:for(;d<a.length;++d){const c=a[d];for(let a=1;a<c.length;++a)if(c[a]===b)break a}d===a.length&&e.push(b)}if(0===
 e.length)throw new Sk.builtin.TypeError("Inconsistent precedences in type hierarchy");e=e[0];c.length&&this.prototype.sk$prototypical&&Object.getPrototypeOf(c[c.length-1].prototype)!==e.prototype&&(this.prototype.sk$prototypical=!1);c.push(e);for(b=0;b<a.length;++b)d=a[b],0<d.length&&d[0]===e&&d.splice(0,1)}}},$buildMRO:{value:function(){const a=[[this]],b=this.prototype.tp$bases;for(var c=0;c<b.length;++c)a.push([...b[c].prototype.tp$mro]);c=[];for(let a=0;a<b.length;++a)c.push(b[a]);a.push(c);return this.$mroMerge(a)}},
 sk$attrError:{value(){return"type object '"+this.prototype.tp$name+"'"},writable:!0}});Sk.builtin.type.prototype.tp$getsets={__base__:{$get(){return this.prototype.tp$base||Sk.builtin.none.none$}},__bases__:{$get(){void 0===this.sk$tuple_bases&&(this.sk$tuple_bases=new Sk.builtin.tuple(this.prototype.tp$bases));return this.sk$tuple_bases}},__mro__:{$get(){void 0===this.sk$tuple_mro&&(this.sk$tuple_mro=new Sk.builtin.tuple(this.prototype.tp$mro));return this.sk$tuple_mro}},__dict__:{$get(){return new Sk.builtin.mappingproxy(this.prototype)}},
 __doc__:{$get(){const a=this.$typeLookup(Sk.builtin.str.$doc);return a?void 0!==a.tp$descr_get?this===Sk.builtin.type?new Sk.builtin.str(this.prototype.tp$doc):a.tp$descr_get(null,this):this.prototype.__doc__:Sk.builtin.none.none$},$set(a){l(this,a,Sk.builtin.str.$doc);this.prototype.__doc__=a}},__name__:{$get(){return new Sk.builtin.str(this.prototype.tp$name)},$set(a){l(this,a,Sk.builtin.str.$name);if(!Sk.builtin.checkString(a))throw new Sk.builtin.TypeError("can only assign string to "+this.prototype.tp$name+
 ".__name__, not '"+Sk.abstr.typeName(a)+"'");this.prototype.tp$name=a.$jsstr()}},__module__:{$get(){let a=this.prototype.__module__;return a&&a.ob$type!==Sk.builtin.getset_descriptor?a:new Sk.builtin.str("builtins")},$set(a){l(this,a,Sk.builtin.str.$module);this.prototype.__module__=a}}};Sk.builtin.type.prototype.tp$methods={mro:{$meth(){return new Sk.builtin.list(this.$buildMRO())},$flags:{NoArgs:!0}},__dir__:{$meth:function(){function a(a){a in Sk.reservedWords_||(a=Sk.unfixReserved(a),-1!==a.indexOf("$")||
 b.has(a)||(b.add(a),c.push(new Sk.builtin.str(a))))}const b=new Set,c=[];if(this.prototype.sk$prototypical)for(var e in this.prototype)a(e);else{e=this.prototype.tp$mro;for(let b=0;b<e.length;b++){const c=Object.getOwnPropertyNames(e[b].prototype);for(let b=0;b<c.length;b++)a(c[b])}}return new Sk.builtin.list(c)},$flags:{NoArgs:!0},$doc:"Specialized __dir__ implementation for types."}};const h={$get(){const a=f(this.ob$type);return void 0!==a?a.tp$descr_get(this,this.ob$type):Sk.generic.getSetDict.$get.call(this)},
 $set(a){const b=f(this.ob$type);return void 0!==b?b.tp$descr_set(this,a):Sk.generic.getSetDict.$set.call(this,a)},$doc:"dictionary for instance variables (if defined)",$name:"__dict__"}},function(m,q){Sk.generic={};Sk.generic.getAttr=function(a,c){let b;const e=this.ob$type,f=e.$typeLookup(a);if(void 0!==f&&(b=f.tp$descr_get,void 0!==b&&void 0!==f.tp$descr_set))return b.call(f,this,e,c);const l=this.$d;if(void 0!==l&&(a=l.quick$lookup(a),void 0!==a))return a;if(void 0!==b)return b.call(f,this,e,c);
 if(void 0!==f)return f};Sk.exportSymbol("Sk.generic.getAttr",Sk.generic.getAttr);Sk.generic.setAttr=function(a,c,b){var e=this.ob$type.$typeLookup(a);if(void 0!==e&&null!==e){const a=e.tp$descr_set;if(a)return a.call(e,this,c,b)}b=this.$d;if(void 0!==b)if(b.mp$ass_subscript){if(void 0!==c)return b.mp$ass_subscript(a,c);try{return b.mp$ass_subscript(a)}catch(f){if(f instanceof Sk.builtin.KeyError)throw new Sk.builtin.AttributeError("'"+Sk.abstr.typeName(this)+"' object has no attribute '"+a.$jsstr()+
 "'");throw f;}}else if("object"===typeof b){e=a.$mangled;if(void 0!==c){b[e]=c;return}if(void 0!==b[e]){delete b[e];return}}throw new Sk.builtin.AttributeError(this.sk$attrError()+" has no attribute '"+a.$jsstr()+"'");};Sk.exportSymbol("Sk.generic.setAttr",Sk.generic.setAttr);Sk.generic.new=function(a){return function(c,b){if(this.constructor===a)return new this.constructor;c=new this.constructor;a.call(c);return c}};Sk.generic.newMethodDef={$meth(a,c){const b=this.prototype;if(1>a.length)throw a=
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 e+") is not safe, use "+f.tp$name+".__new__()");return b.tp$new.call(e.prototype,a,c)},$flags:{FastCall:!0},$textsig:"($type, *args, **kwargs)",$name:"__new__"};Sk.generic.selfIter=function(){return this};Sk.generic.iterNextWithArrayCheckSize=function(){if(this.$seq.length!==this.$orig.get$size()){const a=this.tp$name.split("_")[0];throw new Sk.builtin.RuntimeError(a+" changed size during iteration");}if(!(this.$index>=this.$seq.length))return this.$seq[this.$index++]};Sk.generic.iterNextWithArray=
 function(){const a=this.$seq[this.$index++];void 0===a&&(this.tp$iternext=()=>{});return a};Sk.generic.iterLengthHintWithArrayMethodDef={$meth:function(){return new Sk.builtin.int_(this.$seq.length-this.$index)},$flags:{NoArgs:!0}};Sk.generic.iterReverseLengthHintMethodDef={$meth:function(){return new Sk.builtin.int_(this.$index)},$flags:{NoArgs:!0}};Sk.generic.getSetDict={$get(){return this.$d},$set(a){if(void 0===a)this.$d=new Sk.builtin.dict;else if(a instanceof Sk.builtin.dict)this.$d=a;else throw new Sk.builtin.TypeError("__dict__ must be set to a dictionary, not a '"+
 Sk.abstr.typeName(a)+"'");},$doc:"dictionary for instance variables (if defined)",$name:"__dict__"};Sk.generic.seqCompare=function(a,c){if(this===a&&Sk.misceval.opAllowsEquality(c))return!0;if(!(a instanceof this.sk$builtinBase))return Sk.builtin.NotImplemented.NotImplemented$;const b=this.v;a=a.v;let e;if(b.length!==a.length&&("Eq"===c||"NotEq"===c))return"Eq"===c?!1:!0;for(e=0;e<b.length&&e<a.length&&(b[e]===a[e]||Sk.misceval.richCompareBool(b[e],a[e],"Eq"));++e);const f=b.length,l=a.length;if(e>=
 f||e>=l)switch(c){case "Lt":return f<l;case "LtE":return f<=l;case "Eq":return f===l;case "NotEq":return f!==l;case "Gt":return f>l;case "GtE":return f>=l;default:Sk.asserts.fail()}return"Eq"===c?!1:"NotEq"===c?!0:Sk.misceval.richCompareBool(b[e],a[e],c)}},function(m,q){Sk.builtin.pyCheckArgs=function(a,c,b,e,f,l){c=c.length;void 0===e&&(e=Infinity);f&&--c;l&&--c;if(c<b||c>e)throw new Sk.builtin.TypeError((b===e?a+"() takes exactly "+b+" arguments":c<b?a+"() takes at least "+b+" arguments":0<b?a+
 "() takes at most "+e+" arguments":a+"() takes no arguments")+(" ("+c+" given)"));};Sk.exportSymbol("Sk.builtin.pyCheckArgs",Sk.builtin.pyCheckArgs);Sk.builtin.pyCheckArgsLen=function(a,c,b,e,f,l){void 0===e&&(e=Infinity);f&&--c;l&&--c;if(c<b||c>e)throw new Sk.builtin.TypeError((b===e?a+"() takes exactly "+b+" arguments":c<b?a+"() takes at least "+b+" arguments":a+"() takes at most "+e+" arguments")+(" ("+c+" given)"));};Sk.builtin.pyCheckType=function(a,c,b){if(!b)throw new Sk.builtin.TypeError(a+
 " must be a "+c);};Sk.exportSymbol("Sk.builtin.pyCheckType",Sk.builtin.pyCheckType);Sk.builtin.checkSequence=function(a){return null!=a&&void 0!==a.mp$subscript};Sk.exportSymbol("Sk.builtin.checkSequence",Sk.builtin.checkSequence);Sk.builtin.checkIterable=function(a){return void 0===a?!1:a.tp$iter?void 0!==a.tp$iter().tp$iternext:void 0!==a.mp$subscript};Sk.exportSymbol("Sk.builtin.checkIterable",Sk.builtin.checkIterable);Sk.builtin.checkCallable=function(a){return null!=a&&void 0!==a.tp$call};Sk.builtin.checkNumber=
 function(a){return"number"===typeof a||a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_||a instanceof Sk.builtin.lng};Sk.exportSymbol("Sk.builtin.checkNumber",Sk.builtin.checkNumber);Sk.builtin.checkComplex=function(a){return a instanceof Sk.builtin.complex};Sk.exportSymbol("Sk.builtin.checkComplex",Sk.builtin.checkComplex);Sk.builtin.checkInt=function(a){return a instanceof Sk.builtin.int_||"number"===typeof a&&Number.isInteger(a)};Sk.exportSymbol("Sk.builtin.checkInt",Sk.builtin.checkInt);
 Sk.builtin.checkFloat=function(a){return a instanceof Sk.builtin.float_};Sk.exportSymbol("Sk.builtin.checkFloat",Sk.builtin.checkFloat);Sk.builtin.checkString=function(a){return a instanceof Sk.builtin.str};Sk.exportSymbol("Sk.builtin.checkString",Sk.builtin.checkString);Sk.builtin.checkBytes=function(a){return a instanceof Sk.builtin.bytes};Sk.builtin.checkClass=function(a){return a instanceof Sk.builtin.type};Sk.exportSymbol("Sk.builtin.checkClass",Sk.builtin.checkClass);Sk.builtin.checkBool=function(a){return a instanceof
 Sk.builtin.bool};Sk.exportSymbol("Sk.builtin.checkBool",Sk.builtin.checkBool);Sk.builtin.checkNone=function(a){return a===Sk.builtin.none.none$};Sk.exportSymbol("Sk.builtin.checkNone",Sk.builtin.checkNone);Sk.builtin.checkFunction=function(a){return null!=a&&void 0!==a.tp$call};Sk.exportSymbol("Sk.builtin.checkFunction",Sk.builtin.checkFunction);Sk.builtin.checkDataDescr=function(a){return a&&void 0!==a.tp$descr_set};Sk.exportSymbol("Sk.builtin.checkDataDescr",Sk.builtin.checkDataDescr);Sk.builtin.checkAnySet=
 function(a){return a instanceof Sk.builtin.set||a instanceof Sk.builtin.frozenset};Sk.builtin.checkMapping=function(a){return a instanceof Sk.builtin.dict||a instanceof Sk.builtin.mappingproxy||null!=a&&void 0!==a.mp$subscript&&void 0!==Sk.abstr.lookupSpecial(a,Sk.builtin.str.$keys)}},function(m,q){function a(a,b){switch(b){case "Add":return a.nb$add;case "Sub":return a.nb$subtract;case "Mult":return a.nb$multiply;case "MatMult":if(Sk.__future__.python3)return a.nb$matrix_multiply;case "Div":return a.nb$divide;
 case "FloorDiv":return a.nb$floor_divide;case "Mod":return a.nb$remainder;case "DivMod":return a.nb$divmod;case "Pow":return a.nb$power;case "LShift":return a.nb$lshift;case "RShift":return a.nb$rshift;case "BitAnd":return a.nb$and;case "BitXor":return a.nb$xor;case "BitOr":return a.nb$or}}function c(a,b){switch(b){case "Add":return a.nb$reflected_add;case "Sub":return a.nb$reflected_subtract;case "Mult":return a.nb$reflected_multiply;case "MatMult":if(Sk.__future__.python3)return a.nb$reflected_matrix_multiply;
 case "Div":return a.nb$reflected_divide;case "FloorDiv":return a.nb$reflected_floor_divide;case "Mod":return a.nb$reflected_remainder;case "DivMod":return a.nb$reflected_divmod;case "Pow":return a.nb$reflected_power;case "LShift":return a.nb$reflected_lshift;case "RShift":return a.nb$reflected_rshift;case "BitAnd":return a.nb$reflected_and;case "BitXor":return a.nb$reflected_xor;case "BitOr":return a.nb$reflected_or}}function b(a,b){switch(b){case "Add":return a.nb$inplace_add;case "Sub":return a.nb$inplace_subtract;
 case "Mult":return a.nb$inplace_multiply;case "MatMult":if(Sk.__future__.python3)return a.nb$inplace_matrix_multiply;case "Div":return a.nb$inplace_divide;case "FloorDiv":return a.nb$inplace_floor_divide;case "Mod":return a.nb$inplace_remainder;case "Pow":return a.nb$inplace_power;case "LShift":return a.nb$inplace_lshift;case "RShift":return a.nb$inplace_rshift;case "BitAnd":return a.nb$inplace_and;case "BitOr":return a.nb$inplace_or;case "BitXor":return a.nb$inplace_xor}}function e(b,d,e){var k=
 d.constructor,f=b.constructor;if(k=k!==f&&void 0===k.sk$baseClass&&d instanceof f)if(f=c(d,e),void 0!==f&&f!==c(b,e)&&(f=f.call(d,b),f!==Sk.builtin.NotImplemented.NotImplemented$))return f;f=a(b,e);if(void 0!==f&&(f=f.call(b,d),f!==Sk.builtin.NotImplemented.NotImplemented$)||!k&&(f=c(d,e),void 0!==f&&(f=f.call(d,b),f!==Sk.builtin.NotImplemented.NotImplemented$)))return f}function f(a){n.forEach(([b,c])=>{a[c]=function(a){return this.tp$richcompare(a,b)}})}function l(a){const b=Sk.reflectedNumberSlots;
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 a:Sk.misceval.retryOptionalSuspensionOrThrow(a)};Sk.abstr.sequenceConcat=function(a,b){if(a.sq$concat)return a.sq$concat(b);throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object can't be concatenated");};Sk.abstr.sequenceGetIndexOf=function(a,b){if(a.index)return Sk.misceval.callsimArray(a.index,[a,b]);let c=0;for(let d=Sk.abstr.iter(a),e=d.tp$iternext();void 0!==e;e=d.tp$iternext()){if(Sk.misceval.richCompareBool(b,e,"Eq"))return new Sk.builtin.int_(c);c+=1}throw new Sk.builtin.ValueError("sequence.index(x): x not in sequence");
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 Sk.abstr.typeName(a)+" object");const e=Sk.abstr.iter(a),f=[];let k=0,g;0<b&&(g=Sk.misceval.iterFor(e,a=>{f.push(a);if(++k===b)return new Sk.misceval.Break}));return Sk.misceval.chain(g,()=>{if(f.length<b)throw new Sk.builtin.ValueError("not enough values to unpack (expected at least "+c+", got "+f.length+")");if(!d)return Sk.misceval.chain(e.tp$iternext(!0),a=>{if(void 0!==a)throw new Sk.builtin.ValueError("too many values to unpack (expected "+b+")");return f});const a=[];return Sk.misceval.chain(Sk.misceval.iterFor(e,
 b=>{a.push(b)}),()=>{const d=a.length+b-c;if(0>d)throw new Sk.builtin.ValueError("not enough values to unpack (expected at least "+c+", got "+(c+d)+")");f.push(new Sk.builtin.list(a.slice(0,d)));f.push(...a.slice(d));return f})})};Sk.abstr.mappingUnpackIntoKeywordArray=function(a,b,c){if(b instanceof Sk.builtin.dict)b.$items().forEach(([b,d])=>{if(!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError((c.$qualname?c.$qualname+"() ":"")+"keywords must be strings");a.push(b.v);a.push(d)});else{var d=
 Sk.abstr.lookupSpecial(b,Sk.builtin.str.$keys);if(void 0===d)throw new Sk.builtin.TypeError("Object is not a mapping");return Sk.misceval.chain(Sk.misceval.callsimOrSuspendArray(d),d=>Sk.misceval.iterFor(Sk.abstr.iter(d),d=>{if(!Sk.builtin.checkString(d))throw new Sk.builtin.TypeError((c.$qualname?c.$qualname+"() ":"")+"keywords must be strings");return Sk.misceval.chain(b.mp$subscript(d,!0),b=>{a.push(d.v);a.push(b)})}))}};Sk.abstr.copyKeywordsToNamedArgs=function(a,b,c,d,e){d=d||[];var f=c.length+
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 e+"'");}if(e){d=b.length;for(f=d-1;0<=f;f--)void 0===c[f]&&(c[f]=e[e.length-1-(d-1-f)]);b=b.filter((a,b)=>void 0===c[b]);if(b.length)throw new Sk.builtin.TypeError(a+"() missing "+b.length+" required positional arguments: "+b.join(", "));}return c};Sk.exportSymbol("Sk.abstr.copyKeywordsToNamedArgs",Sk.abstr.copyKeywordsToNamedArgs);Sk.abstr.checkNoKwargs=function(a,b){if(b&&b.length)throw new Sk.builtin.TypeError(a+"() takes no keyword arguments");};Sk.exportSymbol("Sk.abstr.checkNoKwargs",Sk.abstr.checkNoKwargs);
 Sk.abstr.checkNoArgs=function(a,b,c){if(b=b.length+(c?c.length:0))throw new Sk.builtin.TypeError(a+"() takes no arguments ("+b+" given)");};Sk.exportSymbol("Sk.abstr.checkNoArgs",Sk.abstr.checkNoArgs);Sk.abstr.checkOneArg=function(a,b,c){Sk.abstr.checkNoKwargs(a,c);if(1!==b.length)throw new Sk.builtin.TypeError(a+"() takes exactly one argument ("+b.length+" given)");};Sk.exportSymbol("Sk.abstr.checkOneArg",Sk.abstr.checkOneArg);Sk.abstr.checkArgsLen=function(a,b,c,d){b=b.length;void 0===d&&(d=Infinity);
 if(b<c||b>d)throw new Sk.builtin.TypeError((c===d?a+"() takes exactly "+c+" arguments":b<c?a+"() takes at least "+c+" arguments":a+"() takes at most "+d+" arguments")+(" ("+b+" given)"));};Sk.exportSymbol("Sk.abstr.checkArgsLen",Sk.abstr.checkArgsLen);Sk.abstr.objectFormat=function(a,b){a=Sk.abstr.lookupSpecial(a,Sk.builtin.str.$format);b=Sk.misceval.callsimArray(a,[b]);if(!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("__format__ must return a str, not "+Sk.abstr.typeName(b));return b};
 Sk.abstr.objectHash=function(a){const b=a.tp$hash;if(void 0!==b){if(Sk.builtin.checkNone(b))throw new Sk.builtin.TypeError("unhashable type: '"+Sk.abstr.typeName(a)+"'");return a.tp$hash()}throw new Sk.builtin.TypeError("unsupported Javascript type");};Sk.abstr.objectAdd=function(a,b){if(a.nb$add)return a.nb$add(b);a=Sk.abstr.typeName(a);b=Sk.abstr.typeName(b);throw new Sk.builtin.TypeError("unsupported operand type(s) for +: '"+a+"' and '"+b+"'");};Sk.abstr.objectNegative=function(a){if(a.nb$negative)return a.nb$negative();
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 Sk.abstr.gattr=function(a,b,c){c=a.tp$getattr(b,c);if(void 0===c)throw new Sk.builtin.AttributeError(a.sk$attrError()+" has no attribute '"+b.$jsstr()+"'");return c.$isSuspension?Sk.misceval.chain(c,function(c){if(void 0===c)throw new Sk.builtin.AttributeError(a.sk$attrError()+" has no attribute '"+b.$jsstr()+"'");return c}):c};Sk.exportSymbol("Sk.abstr.gattr",Sk.abstr.gattr);Sk.abstr.sattr=function(a,b,c,d){return a.tp$setattr(b,c,d)};Sk.exportSymbol("Sk.abstr.sattr",Sk.abstr.sattr);Sk.abstr.iternext=
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 {};Object.entries(b).forEach(([b,d])=>{d.$name=b;c[b]=new Sk.builtin.getset_descriptor(a,d)});Object.defineProperty(c,"tp$getsets",{value:null,writable:!0})}};Sk.abstr.setUpMethods=function(a,b){if(void 0!==Sk.builtin.method_descriptor){var c=a.prototype;b=b||c.tp$methods||{};Object.entries(b).forEach(([b,d])=>{d.$name=b;c[b]=new Sk.builtin.method_descriptor(a,d)});Object.defineProperty(c,"tp$methods",{value:null,writable:!0})}};Sk.abstr.setUpClassMethods=function(a,b){if(void 0!==Sk.builtin.classmethod_descriptor){var c=
 a.prototype;b=b||c.tp$classmethods||{};Object.entries(b).forEach(([b,d])=>{d.$name=b;c[b]=new Sk.builtin.classmethod_descriptor(a,d)});Object.defineProperty(c,"tp$classmethods",{value:null,writable:!0})}};const n=Object.entries({Eq:"ob$eq",NotEq:"ob$ne",Gt:"ob$gt",GtE:"ob$ge",Lt:"ob$lt",LtE:"ob$le"});Sk.abstr.setUpSlots=function(a,b){function c(b,c){e[b]=new Sk.builtin.wrapper_descriptor(a,Sk.slots[b],c)}function d(a,b){"string"===typeof a?c(a,b):a.forEach(a=>{c(a,b)})}if(void 0!==Sk.builtin.wrapper_descriptor){var e=
 a.prototype;b=b||e.tp$slots||{};b.tp$new===Sk.generic.new&&(b.tp$new=Sk.generic.new(a));b.tp$richcompare&&f(b);b.tp$as_number&&l(b);b.tp$as_sequence_or_mapping&&h(b);Object.entries(b).forEach(([a,b])=>{Object.defineProperty(e,a,{value:b,writable:!0})});b.tp$new&&(e.__new__=new Sk.builtin.sk_method(Sk.generic.newMethodDef,a),Object.defineProperty(e,"sk$staticNew",{value:a,writable:!0}));Sk.subSlots.main_slots.forEach(([a,c])=>{a=b[a];void 0!==a&&d(c,a)});var g=b.tp$hash;void 0!==g&&("function"===typeof g?
 c("__hash__",g):g===Sk.builtin.none.none$?e.__hash__=g:Sk.asserts.fail("invalid tp$hash"));b.tp$as_number&&Sk.subSlots.number_slots.forEach(([a,c])=>{a=b[a];void 0!==a&&d(c,a)});b.tp$as_sequence_or_mapping&&Sk.subSlots.sequence_and_mapping_slots.forEach(([a,c])=>{a=b[a];void 0!==a&&d(c,a)});Object.defineProperty(e,"tp$slots",{value:null,writable:!0})}};Sk.abstr.buildNativeClass=function(a,b){b=b||{};Sk.asserts.assert(b.hasOwnProperty("constructor"),"A constructor is required to build a native class");
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 }},tp$getattr:Sk.generic.getAttr,tp$setattr:Sk.generic.setAttr,$r(){const a=Sk.abstr.lookupSpecial(this,Sk.builtin.str.$module);let b="";a&&Sk.builtin.checkString(a)&&(b=a.v+".");return new Sk.builtin.str("<"+b+Sk.abstr.typeName(this)+" object>")},tp$str(){return this.$r()},tp$hash(){let c=a.get(this);if(void 0!==c)return c;c=Math.floor(Math.random()*Number.MAX_SAFE_INTEGER-Number.MAX_SAFE_INTEGER/2);a.set(this,c);return c},tp$richcompare(a,b){switch(b){case "Eq":a=this===a||Sk.builtin.NotImplemented.NotImplemented$;
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 if(!(b.$isSubType(Sk.builtin.module)&&a.$isSubType(Sk.builtin.module)||void 0!==b.sk$klass&&void 0!==a.sk$klass))throw new Sk.builtin.TypeError(" __class__ assignment only supported for heap types or ModuleType subclasses");if(a.prototype.sk$builtinBase!==this.sk$builtinBase)throw new Sk.builtin.TypeError("__class__ assignment: '"+Sk.abstr.typeName(this)+"' object layout differs from '"+a.prototype.tp$name+"'");Object.setPrototypeOf(this,a.prototype)},$doc:"the object's class"}},methods:{__dir__:{$meth:function(){let a=
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 $doc:"int(self)"};var A,t={next:{$name:"next",$slot_name:"tp$iternext",$slot_func:m.__next__.$slot_func,$wrapper:m.__next__.$wrapper,$textsig:m.__next__.$textsig,$flags:m.__next__.$flags},__nonzero__:{$name:"__nonzero__",$slot_name:"nb$bool",$slot_func:d("__nonzero__",Sk.builtin.checkInt,"int",a=>0!==a.v),$wrapper:l(a,a=>new Sk.builtin.bool(a)),$textsig:"($self, /)",$flags:{NoArgs:!0},$doc:"x.__nonzero__() <==> x != 0"},__div__:{$name:"__div__",$slot_name:"nb$divide",$slot_func:g,$wrapper:c,$textsig:"($self, other/)",
 $flags:{OneArg:!0},$doc:"x.__div__(y) <==> x/y"},__rdiv__:{$name:"__rdiv__",$slot_name:"nb$reflected_divide",$slot_func:g,$wrapper:c,$textsig:"($self, other/)",$flags:{OneArg:!0},$doc:"x.__rdiv__(y) <==> x/y"},__idiv__:{$name:"__idiv__",$slot_name:"nb$inplace_divide",$slot_func:g,$wrapper:c,$textsig:"($self, other/)",$flags:{OneArg:!0},$doc:"implement self /= other"}};Sk.subSlots={main_slots:Object.entries({tp$init:"__init__",tp$call:"__call__",$r:"__repr__",tp$str:"__str__",tp$getattr:"__getattribute__",
 tp$setattr:["__setattr__","__delattr__"],ob$eq:"__eq__",ob$ne:"__ne__",ob$lt:"__lt__",ob$le:"__le__",ob$gt:"__gt__",ob$ge:"__ge__",tp$descr_get:"__get__",tp$descr_set:["__set__","__delete__"],tp$iter:"__iter__",tp$iternext:"__next__"}),number_slots:Object.entries({nb$abs:"__abs__",nb$negative:"__neg__",nb$positive:"__pos__",nb$int:"__int__",nb$long:"__long__",nb$float:"__float__",nb$add:"__add__",nb$reflected_add:"__radd__",nb$inplace_add:"__iadd__",nb$subtract:"__sub__",nb$reflected_subtract:"__rsub__",
 nb$inplace_subtract:"__isub__",nb$multiply:"__mul__",nb$reflected_multiply:"__rmul__",nb$inplace_multiply:"__imul__",nb$floor_divide:"__floordiv__",nb$reflected_floor_divide:"__rfloordiv__",nb$inplace_floor_divide:"__ifloordiv__",nb$invert:"__invert__",nb$remainder:"__mod__",nb$reflected_remainder:"__rmod__",nb$inplace_remainder:"__imod__",nb$divmod:"__divmod__",nb$reflected_divmod:"__rdivmod__",nb$power:"__pow__",nb$reflected_power:"__rpow__",nb$inplace_power:"__ipow__",nb$divide:"__truediv__",nb$reflected_divide:"__rtruediv__",
 nb$inplace_divide:"__itruediv__",nb$bool:"__bool__",nb$and:"__and__",nb$reflected_and:"__rand__",nb$inplace_and:"__iand__",nb$or:"__or__",nb$reflected_or:"__ror__",nb$inplace_or:"__ior__",nb$xor:"__xor__",nb$reflected_xor:"__rxor__",nb$inplace_xor:"__ixor__",nb$lshift:"__lshift__",nb$reflected_lshift:"__rlshift__",nb$rshift:"__rshift__",nb$reflected_rshift:"__rrshift__",nb$inplace_lshift:"__ilshift__",nb$inplace_rshift:"__irshift__",nb$matrix_multiply:"__matmul__",nb$reflected_matrix_multiply:"__rmatmul__",
 nb$inplace_matrix_multiply:"__imatmul__"}),sequence_and_mapping_slots:Object.entries({sq$length:"__len__",sq$contains:"__contains__",mp$subscript:"__getitem__",mp$ass_subscript:["__setitem__","__delitem__"],nb$add:"__add__",nb$multiply:"__mul__",nb$reflected_multiply:"__rmul__",nb$inplace_add:"__iadd__",nb$inplace_multiply:"__imul__"})};Sk.reflectedNumberSlots={nb$add:{reflected:"nb$reflected_add"},nb$subtract:{reflected:"nb$reflected_subtract",slot:function(a){return a instanceof this.constructor?
 a.nb$subtract(this):Sk.builtin.NotImplemented.NotImplemented$}},nb$multiply:{reflected:"nb$reflected_multiply"},nb$divide:{reflected:"nb$reflected_divide",slot:function(a){return a instanceof this.constructor?a.nb$divide(this):Sk.builtin.NotImplemented.NotImplemented$}},nb$floor_divide:{reflected:"nb$reflected_floor_divide",slot:function(a){return a instanceof this.constructor?a.nb$floor_divide(this):Sk.builtin.NotImplemented.NotImplemented$}},nb$remainder:{reflected:"nb$reflected_remainder",slot:function(a){return a instanceof
 this.constructor?a.nb$remainder(this):Sk.builtin.NotImplemented.NotImplemented$}},nb$divmod:{reflected:"nb$reflected_divmod",slot:function(a){return a instanceof this.constructor?a.nb$divmod(this):Sk.builtin.NotImplemented.NotImplemented$}},nb$power:{reflected:"nb$reflected_power",slot:function(a,b){return a instanceof this.constructor?a.nb$power(this,b):Sk.builtin.NotImplemented.NotImplemented$}},nb$and:{reflected:"nb$reflected_and"},nb$or:{reflected:"nb$reflected_or"},nb$xor:{reflected:"nb$reflected_xor"},
 nb$lshift:{reflected:"nb$reflected_lshift",slot:function(a){return a instanceof this.constructor?a.nb$lshift(this):Sk.builtin.NotImplemented.NotImplemented$}},nb$rshift:{reflected:"nb$reflected_rshift",slot:function(a){return a instanceof this.constructor?a.nb$rshift(this):Sk.builtin.NotImplemented.NotImplemented$}},nb$matrix_multiply:{reflected:"nb$reflexted_matrix_multiply",slot:function(a){return a instanceof this.constructor?a.nb$matrix_multiply(this):Sk.builtin.NotImplemented.NotImplemented$}}};
 Sk.sequenceAndMappingSlots={sq$concat:["nb$add"],sq$repeat:["nb$multiply","nb$reflected_multiply"],mp$length:["sq$length"],sq$inplace_repeat:["nb$inplace_multiply"],sq$inplace_concat:["nb$inplace_add"]};Sk.dunderToSkulpt={__repr__:"$r",__str__:"tp$str",__init__:"tp$init",__new__:"tp$new",__hash__:"tp$hash",__call__:"tp$call",__iter__:"tp$iter",__next__:"tp$iternext",__eq__:"ob$eq",__ne__:"ob$ne",__lt__:"ob$lt",__le__:"ob$le",__gt__:"ob$gt",__ge__:"ob$ge",__abs__:"nb$abs",__neg__:"nb$negative",__pos__:"nb$positive",
 __int__:"nb$int",__float__:"nb$float",__add__:"nb$add",__radd__:"nb$reflected_add",__iadd__:"nb$inplace_add",__sub__:"nb$subtract",__rsub__:"nb$reflected_subtract",__isub__:"nb$inplace_subtract",__mul__:"nb$multiply",__rmul__:"nb$reflected_multiply",__imul__:"nb$inplace_multiply",__truediv__:"nb$divide",__rtruediv__:"nb$reflected_divide",__itruediv__:"nb$inplace_divide",__floordiv__:"nb$floor_divide",__rfloordiv__:"nb$reflected_floor_divide",__ifloordiv__:"nb$inplace_floor_divide",__invert__:"nb$invert",
 __mod__:"nb$remainder",__rmod__:"nb$reflected_remainder",__imod__:"nb$inplace_remainder",__divmod__:"nb$divmod",__rdivmod__:"nb$reflected_divmod",__pow__:"nb$power",__rpow__:"nb$reflected_power",__ipow__:"nb$inplace_power",__bool__:"nb$bool",__long__:"nb$long",__lshift__:"nb$lshift",__rlshift__:"nb$reflected_lshift",__ilshift__:"nb$inplace_lshift",__rshift__:"nb$rshift",__rrshift__:"nb$reflected_rshift",__irshift__:"nb$inplace_rshift",__and__:"nb$and",__rand__:"nb$reflected_and",__iand__:"nb$inplace_and",
 __or__:"nb$or",__ror__:"nb$reflected_or",__ior__:"nb$inplace_or",__xor__:"nb$xor",__rxor__:"nb$reflected_xor",__ixor__:"nb$inplace_xor",__matmul__:"nb$matrix_multiply",__rmatmul__:"nb$reflected_matrix_multiply",__imatmul__:"nb$inplace_matrix_multiply",__get__:"tp$descr_get",__set__:"tp$descr_set",__delete__:"tp$descr_set",__getattribute__:"tp$getattr",__getattr__:"tp$getattr",__setattr__:"tp$setattr",__delattr__:"tp$setattr",__len__:"sq$length",__contains__:"sq$contains",__getitem__:"mp$subscript",
 __setitem__:"mp$ass_subscript",__delitem__:"mp$ass_subscript"};Sk.exportSymbol("Sk.setupDunderMethods",Sk.setupDunderMethods);Sk.setupDunderMethods=function(a){function b(a,b,c){for(let d=0;d<a.length;d++){const e=a[d].prototype;e.hasOwnProperty(c)||(e[c]=e[b],delete e[b])}}var c=Sk.slots;if(!a||void 0!==A){var d=Sk.abstr.built$iterators,e=[Sk.builtin.int_,Sk.builtin.lng,Sk.builtin.float_,Sk.builtin.complex],f=Sk.subSlots.number_slots,g=Sk.subSlots.main_slots,h=g.findIndex(a=>"tp$iternext"===a[0]),
 k=f.findIndex(a=>"nb$bool"===a[0]),l=Sk.dunderToSkulpt;if(a){l.__bool__="nb$bool";l.__next__="tp$iternext";delete l.__nonzero__;delete l.__div__;delete l.__rdiv__;delete l.__idiv__;delete l.next;for(let a in A)c[a]=A[a];for(let a in t)delete c[a];for(a=0;a<e.length;a++)c=e[a].prototype,delete c.__div__,delete c.__rdiv__;g[h][1]="__next__";f[k][1]="__bool__";b(d,"next","__next__");b(e,"__bool__","__nonzero__")}else{void 0===A&&(c.py3$slots={__next__:c.__next__},A=c.py3$slots);l.next="tp$iternext";
 l.__nonzero__="nb$bool";l.__div__="nb$divide";l.__rdiv__="nb$reflected_divide";l.__idiv__="nb$inplace_divide";delete l.__bool__;delete l.__next__;for(let a in t)c[a]=t[a];for(let a in A)delete c[a];g[h][1]="next";f[k][1]="__nonzero__";b(d,"__next__","next");b(e,"__nonzero__","__bool__");for(d=0;d<e.length;d++)f=e[d],g=f.prototype,g.hasOwnProperty("__div__")||(g.__div__=new Sk.builtin.wrapper_descriptor(f,t.__div__,g.nb$divide),g.__rdiv__=new Sk.builtin.wrapper_descriptor(f,t.__rdiv__,Sk.reflectedNumberSlots.nb$divide.slot))}}}},
 function(m,q){function a(a,h,d){return Sk.abstr.buildNativeClass(a,{constructor:d.constructor,slots:Object.assign({tp$getattr:Sk.generic.getAttr,$r:e},d.slots),getsets:Object.assign(d.getsets||{},f),proto:Object.assign(d.proto||{},{d$repr_name:h||a,d$check:c,d$set_check:b}),flags:{sk$acceptable_as_base_class:!1}})}function c(a){if(null==a)return this;if(!a.ob$type.$isSubType(this.d$type))throw new Sk.builtin.TypeError("descriptor '"+this.d$name+"' requires a '"+this.d$type.prototype.tp$name+"' object but received a '"+
 Sk.abstr.typeName(a)+"' object");}function b(a){if(!a.ob$type.$isSubType(this.d$type))throw new Sk.builtin.TypeError("descriptor '"+this.d$name+"' requires a '"+this.d$type.prototype.tp$name+"' object but received a '"+Sk.abstr.typeName(a)+"' object");}function e(){return new Sk.builtin.str("<"+this.d$repr_name+" '"+this.d$name+"' of '"+this.d$type.prototype.tp$name+"' objects>")}const f={__doc__:{$get(){return this.d$def.$doc?new Sk.builtin.str(this.d$def.$doc):Sk.builtin.none.none$}},__objclass__:{$get(){return this.d$type}},
 __name__:{$get(){return new Sk.builtin.str(this.d$name)}}};m={__text_signature__:{$get(){return this.d$def.$textsig?new Sk.builtin.str(this.d$def.$textsig):Sk.builtin.none.none$}}};Sk.builtin.getset_descriptor=a("getset_descriptor",void 0,{constructor:function(a,b){this.d$def=b;this.$get=b.$get;this.$set=b.$set;this.d$type=a;this.d$name=b.$name},slots:{tp$descr_get(a,b){if(b=this.d$check(a))return b;if(void 0!==this.$get)return this.$get.call(a);throw new Sk.builtin.AttributeError("getset_descriptor '"+
 this.d$name+"' of '"+this.d$type.prototype.tp$name+"' objects is not readable");},tp$descr_set(a,b){this.d$set_check(a);if(void 0!==this.$set)return this.$set.call(a,b);throw new Sk.builtin.AttributeError("attribute '"+this.d$name+"' of '"+this.d$type.prototype.tp$name+"' objects is readonly");}}});Sk.builtin.method_descriptor=a("method_descriptor","method",{constructor:function(a,b){this.d$def=b;this.$meth=b.$meth;this.d$type=a;this.d$name=b.$name||"<native JS>";this.$flags=a=b.$flags||{};a.FastCall&&
 a.NoKwargs?this.tp$call=this.$methodFastCallNoKwargs:a.FastCall?this.tp$call=this.$methodFastCall:a.NoArgs?this.tp$call=this.$methodCallNoArgs:a.OneArg?this.tp$call=this.$methodCallOneArg:a.NamedArgs?this.tp$call=this.$methodCallNamedArgs:void 0!==a.MinArgs?this.tp$call=this.$methodCallMinArgs:(this.func_code=b.$meth,this.tp$call=this.$defaultCall,this.$memoiseFlags=Sk.builtin.func.prototype.$memoiseFlags,this.$resolveArgs=Sk.builtin.func.prototype.$resolveArgs)},slots:{tp$call(a,b){return this.tp$call(a,
 b)},tp$descr_get(a,b){let c;return(c=this.d$check(a))?c:new Sk.builtin.sk_method(this.d$def,a)}},getsets:m,proto:{$methodFastCall(a,b){const c=a.shift();this.m$checkself(c);return this.$meth.call(c,a,b)},$methodFastCallNoKwargs(a,b){const c=a.shift();this.m$checkself(c);Sk.abstr.checkNoKwargs(this.d$name,b);return this.$meth.call(c,a)},$methodCallNoArgs(a,b){const c=a.shift();this.m$checkself(c);Sk.abstr.checkNoArgs(this.d$name,a,b);return this.$meth.call(c)},$methodCallOneArg(a,b){const c=a.shift();
 this.m$checkself(c);Sk.abstr.checkOneArg(this.d$name,a,b);return this.$meth.call(c,a[0])},$methodCallNamedArgs(a,b){const c=a.shift();this.m$checkself(c);a=Sk.abstr.copyKeywordsToNamedArgs(this.d$name,this.$flags.NamedArgs,a,b,this.$flags.Defaults);return this.$meth.call(c,...a)},$methodCallMinArgs(a,b){const c=a.shift();this.m$checkself(c);Sk.abstr.checkNoKwargs(this.d$name,b);Sk.abstr.checkArgsLen(this.d$name,a,this.$flags.MinArgs,this.$flags.MaxArgs);return this.$meth.call(c,...a)},$defaultCall(a,
 b){this.m$checkself(a[0]);return Sk.builtin.func.prototype.tp$call.call(this,a,b)},m$checkself(a){if(void 0===a)throw new Sk.builtin.TypeError("descriptor '"+this.d$name+"' of '"+this.d$type.prototype.tp$name+"' object needs an argument");this.d$check(a)}}});Sk.builtin.wrapper_descriptor=a("wrapper_descriptor","slot wrapper",{constructor:function(a,b,c){this.d$def=b;this.d$type=a;this.d$name=c.$name=b.$name;this.d$wrapped=c},slots:{tp$descr_get(a,b){let c;return(c=this.d$check(a))?c:new Sk.builtin.method_wrapper(this,
 a)},tp$call(a,b){if(1>a.length)throw new Sk.builtin.TypeError("descriptor '"+this.d$name+"' of '"+this.d$type.prototype.tp$name+"' object needs an argument");const c=a.shift();if(!c.ob$type.$isSubType(this.d$type))throw new Sk.builtin.TypeError("descriptor '"+this.d$name+"' requires a '"+this.d$type.prototype.tp$name+"' object but received a '"+Sk.abstr.typeName(c)+"'");return this.raw$call(c,a,b)}},proto:{raw$call(a,b,c){this.d$wrapped.$name=this.d$name;return this.d$def.$wrapper.call(this.d$wrapped,
 a,b,c)}}});Sk.builtin.method_wrapper=a("method_wrapper",void 0,{constructor:function(a,b){this.m$descr=a;this.m$self=b;this.d$def=a.d$def;this.d$name=a.d$name;this.d$type=a.d$type},slots:{tp$call(a,b){return this.m$descr.raw$call(this.m$self,a,b)},tp$richcompare(a,b){if("Eq"!==b&&"NotEq"!==b||!(a instanceof Sk.builtin.method_wrapper))return Sk.builtin.NotImplemented.NotImplemented$;a=this.m$self===a.m$self&&this.m$descr===a.m$descr;return"Eq"===b?a:!a},$r(){return new Sk.builtin.str("<method-wrapper '"+
 this.d$name+"' of "+Sk.abstr.typeName(this.m$self)+" object>")}},getsets:{__self__:{$get(){return this.m$self}}}});Sk.builtin.classmethod_descriptor=a("classmethod_descriptor","method",{constructor:function(a,b){this.d$def=b;this.$meth=b.$meth;this.d$type=a;this.d$name=b.$name||"<native JS>"},slots:{tp$call(a,b){if(1>a.length)throw new Sk.builtin.TypeError("descriptor '"+this.d$name+"' of '"+this.d$type.prototype.tp$name+"' object needs an argument");const c=a.shift();return this.tp$descr_get(null,
 c).tp$call(a,b)},tp$descr_get(a,b,c){if(void 0===b)if(null!==a)b=b||a.ob$type;else throw new Sk.builtin.TypeError("descriptor '"+this.d$name+"' for type '"+this.d$type.prototype.tp$name+"' needs an object or a type");if(b.ob$type!==Sk.builtin.type)throw new Sk.builtin.TypeError("descriptor '"+this.d$name+"' for type '"+this.d$type.prototype.tp$name+"' needs a type not a '"+Sk.abstr.typeName(b)+"' as arg 2");if(!b.$isSubType(this.d$type))throw new Sk.builtin.TypeError("descriptor '"+this.d$name+"' requires a '"+
 this.d$type.prototype.tp$name+"' object but received a '"+Sk.abstr.typeName(b)+"' object");return new Sk.builtin.sk_method(this.d$def,b)}},getsets:m});[Sk.builtin.method_descriptor,Sk.builtin.getset_descriptor,Sk.builtin.wrapper_descriptor,Sk.builtin.method_wrapper,Sk.builtin.classmethod_descriptor].forEach(a=>{Sk.abstr.setUpSlots(a);Sk.abstr.setUpMethods(a);Sk.abstr.setUpGetSets(a)})},function(m,q){Sk.builtin.sk_method=Sk.abstr.buildNativeClass("builtin_function_or_method",{constructor:function(a,
 c,b){this.$meth=a.$meth.bind(c);this.$doc=a.$doc;this.$self=c||null;this.$module=b?new Sk.builtin.str(b):null;this.$name=a.$name||a.$meth.name||"<native JS>";this.m$def=a;this.$textsig=a.$textsig;this.$flags=a=a.$flags||{};a.FastCall&&a.NoKwargs?this.tp$call=this.$fastCallNoKwargs:a.FastCall?this.tp$call=this.$meth:a.NoArgs?this.tp$call=this.$callNoArgs:a.OneArg?this.tp$call=this.$callOneArg:a.NamedArgs?this.tp$call=this.$callNamedArgs:void 0!==a.MinArgs?this.tp$call=this.$callMinArgs:(this.func_code=
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 a,this.$flags.MinArgs,this.$flags.MaxArgs);return this.$meth(...a)},$defaultCallMethod(a,c){return null!==this.$self?Sk.builtin.func.prototype.tp$call.call(this,[this.$self,...a],c):Sk.builtin.func.prototype.tp$call.call(this,a,c)},$memoiseFlags(){return Sk.builtin.func.prototype.$memoiseFlags.call(this)},$resolveArgs(){return Sk.builtin.func.prototype.$resolveArgs.call(this)}},flags:{sk$acceptable_as_base_class:!1},slots:{tp$getattr:Sk.generic.getAttr,$r(){return null===this.$self?new Sk.builtin.str("<built-in function "+
 this.$name+">"):new Sk.builtin.str("<built-in method "+this.$name+" of "+Sk.abstr.typeName(this.$self)+" object>")},tp$call(a,c){return this.tp$call(a,c)},tp$richcompare(a,c){if("Eq"!==c&&"NotEq"!==c||!(a instanceof Sk.builtin.sk_method))return Sk.builtin.NotImplemented.NotImplemented$;a=this.$self===a.$self&&this.m$def.$meth===a.m$def.$meth;return"Eq"===c?a:!a}},getsets:{__module__:{$get(){return this.$module||Sk.builtin.none.none$},$set(a){this.$module=a=a||Sk.builtin.none.none$}},__doc__:{$get(){return this.$doc?
 new Sk.builtin.str(this.$doc):Sk.builtin.none.none$}},__name__:{$get(){return new Sk.builtin.str(this.$name)}},__text_signature__:{$get(){return new Sk.builtin.str(this.$textsig)}},__self__:{$get(){return this.$self||Sk.sysModules.mp$lookup(this.$module)||Sk.builtin.none.none$}}}})},function(m,q){Sk.builtin.none=Sk.abstr.buildNativeClass("NoneType",{constructor:function(){return Sk.builtin.none.none$},slots:{tp$new(a,c){Sk.abstr.checkNoArgs("NoneType",a,c);return Sk.builtin.none.none$},$r(){return new Sk.builtin.str("None")},
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 replace:{$meth(b,c,d){b=this.get$tgt(b);c=this.get$tgt(c);d=void 0===d?-1:Sk.misceval.asIndexSized(d,Sk.builtin.OverflowError);b=new RegExp(a(b),"g");if(0>d)return new Sk.builtin.str(this.v.replace(b,c));let e=0;b=this.v.replace(b,a=>e++<d?c:a);return new Sk.builtin.str(b)},$flags:{MinArgs:2,MaxArgs:3},$textsig:"($self, old, new, count=-1, /)",$doc:"Return a copy with all occurrences of substring old replaced by new.\n\n  count\n    Maximum number of occurrences to replace.\n    -1 (the default value) means replace all occurrences.\n\nIf the optional argument count is given, only the first count occurrences are\nreplaced."},
 split:{$meth:function(a,b){b=Sk.misceval.asIndexSized(b,Sk.builtin.OverflowError);a=c(this,a,b);b=[];for(let c=0;c<a.length;c++)b.push(new Sk.builtin.str(this.v.substring(a[c],a[++c])));return new Sk.builtin.list(b)},$flags:{NamedArgs:["sep","maxsplit"],Defaults:[Sk.builtin.none.none$,-1]},$textsig:"($self, /, sep=None, maxsplit=-1)",$doc:"Return a list of the words in the string, using sep as the delimiter string.\n\n  sep\n    The delimiter according which to split the string.\n    None (the default value) means split according to any whitespace,\n    and discard empty strings from the result.\n  maxsplit\n    Maximum number of splits to do.\n    -1 (the default value) means no limit."},
 rsplit:{$meth:function(a,b){b=Sk.misceval.asIndexSized(b,Sk.builtin.OverflowError);a=c(this,a,-1);var d=0>b?0:2*(a.length/2-b);b=[];for(0>=d?d=0:b.push(new Sk.builtin.str(this.v.slice(0,a[d-1])));d<a.length;d++)b.push(new Sk.builtin.str(this.v.substring(a[d],a[++d])));return new Sk.builtin.list(b)},$flags:{NamedArgs:["sep","maxsplit"],Defaults:[Sk.builtin.none.none$,-1]},$textsig:"($self, /, sep=None, maxsplit=-1)",$doc:"Return a list of the words in the string, using sep as the delimiter string.\n\n  sep\n    The delimiter according which to split the string.\n    None (the default value) means split according to any whitespace,\n    and discard empty strings from the result.\n  maxsplit\n    Maximum number of splits to do.\n    -1 (the default value) means no limit.\n\nSplits are done starting at the end of the string and working to the front."},
 join:{$meth(a){const b=[];return Sk.misceval.chain(Sk.misceval.iterFor(Sk.abstr.iter(a),a=>{if(!(a instanceof Sk.builtin.str))throw new Sk.builtin.TypeError("sequence item "+b.length+": expected str, "+Sk.abstr.typeName(a)+" found");b.push(a.v)}),()=>new Sk.builtin.str(b.join(this.v)))},$flags:{OneArg:!0},$textsig:"($self, iterable, /)",$doc:"Concatenate any number of strings.\n\nThe string whose method is called is inserted in between each given string.\nThe result is returned as a new string.\n\nExample: '.'.join(['ab', 'pq', 'rs']) -> 'ab.pq.rs'"},
 capitalize:{$meth:function(){return new Sk.builtin.str(this.v.charAt(0).toUpperCase()+this.v.slice(1).toLowerCase())},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return a capitalized version of the string.\n\nMore specifically, make the first character have upper case and the rest lower\ncase."},title:{$meth:function(){const a=this.v.replace(/[a-z][a-z]*/gi,a=>a[0].toUpperCase()+a.substr(1).toLowerCase());return new Sk.builtin.str(a)},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return a version of the string where each word is titlecased.\n\nMore specifically, words start with uppercased characters and all remaining\ncased characters have lower case."},
 center:{$meth:f(!1,!0),$flags:{MinArgs:1,MaxArgs:2},$textsig:"($self, width, fillchar=' ', /)",$doc:"Return a centered string of length width.\n\nPadding is done using the specified fill character (default is a space)."},count:{$meth:function(a,b,c){a=this.get$tgt(a);({start:b,end:c}=l(this,b,c));if(c<b)return new Sk.builtin.int_(0);a=a.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&");a=new RegExp(a,"g");return(b=this.v.slice(b,c).match(a))?new Sk.builtin.int_(b.length):new Sk.builtin.int_(0)},$flags:{MinArgs:1,
 MaxArgs:3},$textsig:null,$doc:"S.count(sub[, start[, end]]) -> int\n\nReturn the number of non-overlapping occurrences of substring sub in\nstring S[start:end].  Optional arguments start and end are\ninterpreted as in slice notation."},expandtabs:{$meth:function(a){if(Sk.builtin.checkInt(a))a=Sk.builtin.asnum$(a);else throw new Sk.builtin.TypeError("an integer is required, got type"+Sk.abstr.typeName(a));const b=Array(a+1).join(" "),c=this.v.replace(/([^\r\n\t]*)\t/g,(c,d)=>d+b.slice(d.length%a));
 return new Sk.builtin.str(c)},$flags:{NamedArgs:["tabsize"],Defaults:[8]},$textsig:"($self, /, tabsize=8)",$doc:"Return a copy where all tab characters are expanded using spaces.\n\nIf tabsize is not given, a tab size of 8 characters is assumed."},find:{$meth:function(a,b,c){return new Sk.builtin.int_(this.find$left(a,b,c))},$flags:{MinArgs:1,MaxArgs:3},$textsig:null,$doc:"S.find(sub[, start[, end]]) -> int\n\nReturn the lowest index in S where substring sub is found,\nsuch that sub is contained within S[start:end].  Optional\narguments start and end are interpreted as in slice notation.\n\nReturn -1 on failure."},
 partition:{$meth:e(!1),$flags:{OneArg:!0},$textsig:"($self, sep, /)",$doc:"Partition the string into three parts using the given separator.\n\nThis will search for the separator in the string.  If the separator is found,\nreturns a 3-tuple containing the part before the separator, the separator\nitself, and the part after it.\n\nIf the separator is not found, returns a 3-tuple containing the original string\nand two empty strings."},index:{$meth:function(a,b,c){a=this.find$left(a,b,c);if(-1===a)throw new Sk.builtin.ValueError("substring not found");
 return new Sk.builtin.int_(a)},$flags:{MinArgs:1,MaxArgs:3},$textsig:null,$doc:"S.index(sub[, start[, end]]) -> int\n\nReturn the lowest index in S where substring sub is found, \nsuch that sub is contained within S[start:end].  Optional\narguments start and end are interpreted as in slice notation.\n\nRaises ValueError when the substring is not found."},ljust:{$meth:f(!1,!1),$flags:{MinArgs:1,MaxArgs:2},$textsig:"($self, width, fillchar=' ', /)",$doc:"Return a left-justified string of length width.\n\nPadding is done using the specified fill character (default is a space)."},
 lower:{$meth(){return new Sk.builtin.str(this.v.toLowerCase())},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return a copy of the string converted to lowercase."},lstrip:{$meth:b(/^\s+/g,a=>"^["+a+"]+"),$flags:{MinArgs:0,MaxArgs:1},$textsig:"($self, chars=None, /)",$doc:"Return a copy of the string with leading whitespace removed.\n\nIf chars is given and not None, remove characters in chars instead."},rfind:{$meth(a,b,c){return new Sk.builtin.int_(this.find$right(a,b,c))},$flags:{MinArgs:1,MaxArgs:3},
 $textsig:null,$doc:"S.rfind(sub[, start[, end]]) -> int\n\nReturn the highest index in S where substring sub is found,\nsuch that sub is contained within S[start:end].  Optional\narguments start and end are interpreted as in slice notation.\n\nReturn -1 on failure."},rindex:{$meth:function(a,b,c){a=this.find$right(a,b,c);if(-1===a)throw new Sk.builtin.ValueError("substring not found");return new Sk.builtin.int_(a)},$flags:{MinArgs:1,MaxArgs:3},$textsig:null,$doc:"S.rindex(sub[, start[, end]]) -> int\n\nReturn the highest index in S where substring sub is found,\nsuch that sub is contained within S[start:end].  Optional\narguments start and end are interpreted as in slice notation.\n\nRaises ValueError when the substring is not found."},
 rjust:{$meth:f(!0,!1),$flags:{MinArgs:1,MaxArgs:2},$textsig:"($self, width, fillchar=' ', /)",$doc:"Return a right-justified string of length width.\n\nPadding is done using the specified fill character (default is a space)."},rstrip:{$meth:b(/\s+$/g,a=>"["+a+"]+$"),$flags:{MinArgs:0,MaxArgs:1},$textsig:"($self, chars=None, /)",$doc:"Return a copy of the string with trailing whitespace removed.\n\nIf chars is given and not None, remove characters in chars instead."},rpartition:{$meth:e(!0),$flags:{OneArg:!0},
 $textsig:"($self, sep, /)",$doc:"Partition the string into three parts using the given separator.\n\nThis will search for the separator in the string, starting at the end. If\nthe separator is found, returns a 3-tuple containing the part before the\nseparator, the separator itself, and the part after it.\n\nIf the separator is not found, returns a 3-tuple containing two empty strings\nand the original string."},splitlines:{$meth:function(a){a=Sk.misceval.isTrue(a);const b=this.v,c=[],d=b.length;var e=
 0;for(let g=0;g<d;g++){var f=b.charAt(g);if("\n"===b.charAt(g+1)&&"\r"===f)f=g+2,e=b.slice(e,f),a||(e=e.replace(/(\r|\n)/g,"")),c.push(new Sk.builtin.str(e)),e=f;else if("\n"===f&&"\r"!==b.charAt(g-1)||"\r"===f)f=g+1,e=b.slice(e,f),a||(e=e.replace(/(\r|\n)/g,"")),c.push(new Sk.builtin.str(e)),e=f}e<d&&(e=b.slice(e,d),a||(e=e.replace(/(\r|\n)/g,"")),c.push(new Sk.builtin.str(e)));return new Sk.builtin.list(c)},$flags:{NamedArgs:["keepends"],Defaults:[!1]},$textsig:"($self, /, keepends=False)",$doc:"Return a list of the lines in the string, breaking at line boundaries.\n\nLine breaks are not included in the resulting list unless keepends is given and\ntrue."},
 strip:{$meth:b(/^\s+|\s+$/g,a=>"^["+a+"]+|["+a+"]+$"),$flags:{MinArgs:0,MaxArgs:1},$textsig:"($self, chars=None, /)",$doc:"Return a copy of the string with leading and trailing whitespace remove.\n\nIf chars is given and not None, remove characters in chars instead."},swapcase:{$meth(){const a=this.v.replace(/[a-z]/gi,a=>{const b=a.toLowerCase();return b===a?a.toUpperCase():b});return new Sk.builtin.str(a)},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Convert uppercase characters to lowercase and lowercase characters to uppercase."},
 upper:{$meth(){return new Sk.builtin.str(this.v.toUpperCase())},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return a copy of the string converted to uppercase."},startswith:{$meth:d("startswith",(a,b)=>0===a.indexOf(b)),$flags:{MinArgs:1,MaxArgs:3},$textsig:null,$doc:"S.startswith(prefix[, start[, end]]) -> bool\n\nReturn True if S starts with the specified prefix, False otherwise.\nWith optional start, test S beginning at that position.\nWith optional end, stop comparing S at that position.\nprefix can also be a tuple of strings to try."},
 endswith:{$meth:d("endswith",(a,b)=>-1!==a.indexOf(b,a.length-b.length)),$flags:{MinArgs:1,MaxArgs:3},$textsig:null,$doc:"S.endswith(suffix[, start[, end]]) -> bool\n\nReturn True if S ends with the specified suffix, False otherwise.\nWith optional start, test S beginning at that position.\nWith optional end, stop comparing S at that position.\nsuffix can also be a tuple of strings to try."},isascii:{$meth(){return new Sk.builtin.bool(/^[\x00-\x7F]*$/.test(this.v))},$flags:{NoArgs:!0},$textsig:"($self, /)",
 $doc:"Return True if all characters in the string are ASCII, False otherwise.\n\nASCII characters have code points in the range U+0000-U+007F.\nEmpty string is ASCII too."},islower:{$meth:function(){return new Sk.builtin.bool(this.v.length&&/[a-z]/.test(this.v)&&!/[A-Z]/.test(this.v))},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return True if the string is a lowercase string, False otherwise.\n\nA string is lowercase if all cased characters in the string are lowercase and\nthere is at least one cased character in the string."},
 isupper:{$meth:function(){return new Sk.builtin.bool(this.v.length&&!/[a-z]/.test(this.v)&&/[A-Z]/.test(this.v))},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return True if the string is an uppercase string, False otherwise.\n\nA string is uppercase if all cased characters in the string are uppercase and\nthere is at least one cased character in the string."},istitle:{$meth:function(){const a=this.v;let b=!1,c=!1,d;for(let e=0;e<a.length;e++)if(d=a.charAt(e),!/[a-z]/.test(d)&&/[A-Z]/.test(d)){if(c)return Sk.builtin.bool.false$;
 b=c=!0}else if(/[a-z]/.test(d)&&!/[A-Z]/.test(d)){if(!c)return Sk.builtin.bool.false$;b=!0}else c=!1;return new Sk.builtin.bool(b)},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return True if the string is a title-cased string, False otherwise.\n\nIn a title-cased string, upper- and title-case characters may only\nfollow uncased characters and lowercase characters only cased ones."},isspace:{$meth:function(){return new Sk.builtin.bool(/^\s+$/.test(this.v))},$flags:{NoArgs:!0},$textsig:"($self, /)",
 $doc:"Return True if the string is a whitespace string, False otherwise.\n\nA string is whitespace if all characters in the string are whitespace and there\nis at least one character in the string."},isdigit:{$meth:function(){return new Sk.builtin.bool(/^\d+$/.test(this.v))},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return True if the string is a digit string, False otherwise.\n\nA string is a digit string if all characters in the string are digits and there\nis at least one character in the string."},
 isnumeric:{$meth:function(){return new Sk.builtin.bool(this.v.length&&!/[^0-9]/.test(this.v))},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return True if the string is a numeric string, False otherwise.\n\nA string is numeric if all characters in the string are numeric and there is at\nleast one character in the string."},isalpha:{$meth:function(){return new Sk.builtin.bool(this.v.length&&!/[^a-zA-Z]/.test(this.v))},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return True if the string is an alphabetic string, False otherwise.\n\nA string is alphabetic if all characters in the string are alphabetic and there\nis at least one character in the string."},
 isalnum:{$meth:function(){return new Sk.builtin.bool(this.v.length&&!/[^a-zA-Z0-9]/.test(this.v))},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return True if the string is an alpha-numeric string, False otherwise.\n\nA string is alpha-numeric if all characters in the string are alpha-numeric and\nthere is at least one character in the string."},zfill:{$meth:function(a){a=Sk.misceval.asIndexSized(a,Sk.builtin.OverflowError);let b="";a-=this.v.length;const c="+"===this.v[0]||"-"===this.v[0]?1:0;
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 __format__:{$meth:Sk.formatting.formatString,$flags:{OneArg:!0},$textsig:"($self, format_spec, /)",$doc:"Return a formatted version of the string as described by format_spec."},__getnewargs__:{$meth(){return new Sk.builtin.tuple(new Sk.builtin.str(this.v))},$flags:{NoArgs:!0},$textsig:null,$doc:null}}});Sk.exportSymbol("Sk.builtin.str",Sk.builtin.str);var k=/^[A-Za-z0-9]+$/,p=/([.*+?=|\\\/()\[\]\{\}^$])/g,w=/^[\s\xa0]+/;Sk.builtin.str.$py2decode=new Sk.builtin.method_descriptor(Sk.builtin.str,{$name:"decode",
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 iternext(){return this.tp$iternext()},methods:{__length_hint__:Sk.generic.iterLengthHintWithArrayMethodDef},flags:{sk$acceptable_as_base_class:!1}}),t={abstract:!0,as:!0,boolean:!0,break:!0,byte:!0,case:!0,catch:!0,char:!0,class:!0,continue:!0,const:!0,debugger:!0,default:!0,delete:!0,do:!0,double:!0,else:!0,enum:!0,export:!0,extends:!0,false:!0,final:!0,finally:!0,float:!0,for:!0,function:!0,goto:!0,if:!0,implements:!0,import:!0,in:!0,instanceof:!0,int:!0,interface:!0,is:!0,long:!0,namespace:!0,
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 toString:!0,unwatch:!0,valueOf:!0,watch:!0,length:!0,name:!0};Sk.builtin.str.reservedWords_=t},function(m,q){Sk.builtin.func=Sk.abstr.buildNativeClass("function",{constructor:function(a,c,b,e){Sk.asserts.assert(this instanceof Sk.builtin.func,"builtin func should be called as a class with `new`");this.func_code=a;this.func_globals=c||null;this.$name=a.co_name&&a.co_name.v||a.name||"<native JS>";this.$d=Sk.builtin.dict?new Sk.builtin.dict:void 0;this.$doc=a.co_docstring||Sk.builtin.none.none$;this.$module=
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 {constructor:function(...a){Sk.asserts.assert(this instanceof Sk.builtin.BaseException,"bad call to exception constructor, use 'new'");let c=a[0];"string"===typeof c&&(c=new Sk.builtin.str(c));this.args=new Sk.builtin.tuple(c?[c]:[]);this.traceback=[];this.$d=new Sk.builtin.dict;3<=a.length&&this.traceback.push({lineno:a[2],filename:a[1]||"<unknown>"})},slots:{tp$getattr:Sk.generic.getAttr,tp$doc:"Common base class for all exceptions",tp$new(a,c){this.hp$type?(c=new this.constructor,Sk.builtin.BaseException.call(c)):
 c=new this.constructor;c.args=new Sk.builtin.tuple(a.slice());return c},tp$init(a,c){Sk.abstr.checkNoKwargs(Sk.abstr.typeName(this),c)},$r(){let a=this.tp$name;a+="("+this.args.v.map(a=>Sk.misceval.objectRepr(a)).join(", ")+")";return new Sk.builtin.str(a)},tp$str(){return 1>=this.args.v.length?new Sk.builtin.str(this.args.v[0]):this.args.$r()}},getsets:{args:{$get(){return this.args}},__dict__:Sk.generic.getSetDict},proto:{toString(){let a=this.tp$name;a+=": "+this.tp$str().v;return a=0!==this.traceback.length?
 a+(" on line "+this.traceback[0].lineno):a+" at <unknown>"}}});Sk.exportSymbol("Sk.builtin.BaseException",Sk.builtin.BaseException);Sk.builtin.Exception=Sk.abstr.buildNativeClass("Exception",{constructor:function(...a){Sk.builtin.BaseException.apply(this,a)},base:Sk.builtin.BaseException});Sk.exportSymbol("Sk.builtin.Exception",Sk.builtin.Exception);Sk.builtin.AssertionError=Sk.abstr.buildNativeClass("AssertionError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});
 Sk.exportSymbol("Sk.builtin.AssertionError",Sk.builtin.AssertionError);Sk.builtin.AttributeError=Sk.abstr.buildNativeClass("AttributeError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.builtin.ImportError=Sk.abstr.buildNativeClass("ImportError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.builtin.IndentationError=Sk.abstr.buildNativeClass("IndentationError",{constructor:function(...a){Sk.builtin.Exception.apply(this,
 a)},base:Sk.builtin.Exception});Sk.builtin.IndexError=Sk.abstr.buildNativeClass("IndexError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.builtin.LookupError=Sk.abstr.buildNativeClass("LookupError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.builtin.KeyError=Sk.abstr.buildNativeClass("KeyError",{constructor:function(...a){Sk.builtin.LookupError.apply(this,a)},base:Sk.builtin.LookupError});Sk.builtin.NameError=
 Sk.abstr.buildNativeClass("NameError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.builtin.UnboundLocalError=Sk.abstr.buildNativeClass("UnboundLocalError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.builtin.OverflowError=Sk.abstr.buildNativeClass("OverflowError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.builtin.SyntaxError=Sk.abstr.buildNativeClass("SyntaxError",
 {constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.builtin.RuntimeError=Sk.abstr.buildNativeClass("RuntimeError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.RuntimeError",Sk.builtin.RuntimeError);Sk.builtin.SuspensionError=Sk.abstr.buildNativeClass("SuspensionError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.SuspensionError",
 Sk.builtin.SuspensionError);Sk.builtin.SystemExit=Sk.abstr.buildNativeClass("SystemExit",{constructor:function(...a){Sk.builtin.BaseException.apply(this,a)},base:Sk.builtin.BaseException});Sk.exportSymbol("Sk.builtin.SystemExit",Sk.builtin.SystemExit);Sk.builtin.TypeError=Sk.abstr.buildNativeClass("TypeError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.TypeError",Sk.builtin.TypeError);Sk.builtin.ValueError=Sk.abstr.buildNativeClass("ValueError",
 {constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.ValueError",Sk.builtin.ValueError);Sk.builtin.ZeroDivisionError=Sk.abstr.buildNativeClass("ZeroDivisionError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.builtin.TimeLimitError=Sk.abstr.buildNativeClass("TimeLimitError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.TimeLimitError",
 Sk.builtin.TimeLimitError);Sk.builtin.IOError=Sk.abstr.buildNativeClass("IOError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.IOError",Sk.builtin.IOError);Sk.builtin.NotImplementedError=Sk.abstr.buildNativeClass("NotImplementedError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.NotImplementedError",Sk.builtin.NotImplementedError);Sk.builtin.NegativePowerError=
 Sk.abstr.buildNativeClass("NegativePowerError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.NegativePowerError",Sk.builtin.NegativePowerError);Sk.builtin.ExternalError=Sk.abstr.buildNativeClass("ExternalError",{constructor:function(...a){this.nativeError=a[0];if(!Sk.builtin.checkString(this.nativeError)&&(a[0]=this.nativeError.toString(),a[0].startsWith("RangeError: Maximum call")))return a[0]="Maximum call stack size exceeded",
 new Sk.builtin.RecursionError(...a);Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.ExternalError",Sk.builtin.ExternalError);Sk.builtin.RecursionError=Sk.abstr.buildNativeClass("RecursionError",{constructor:function(...a){Sk.builtin.RuntimeError.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.RecursionError",Sk.builtin.RecursionError);Sk.builtin.OperationError=Sk.abstr.buildNativeClass("OperationError",{constructor:function(...a){Sk.builtin.Exception.apply(this,
 a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.OperationError",Sk.builtin.OperationError);Sk.builtin.SystemError=Sk.abstr.buildNativeClass("SystemError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.SystemError",Sk.builtin.SystemError);Sk.builtin.UnicodeDecodeError=Sk.abstr.buildNativeClass("UnicodeDecodeError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.UnicodeDecodeError",
 Sk.builtin.UnicodeDecodeError);Sk.builtin.UnicodeEncodeError=Sk.abstr.buildNativeClass("UnicodeEncodeError",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.UnicodeEncodeError",Sk.builtin.UnicodeEncodeError);Sk.builtin.StopIteration=Sk.abstr.buildNativeClass("StopIteration",{constructor:function(...a){Sk.builtin.Exception.apply(this,a)},base:Sk.builtin.Exception});Sk.exportSymbol("Sk.builtin.StopIteration",Sk.builtin.StopIteration);
 Sk.builtin.getExcInfo=function(a){return new Sk.builtin.tuple([a.ob$type||Sk.builtin.none.none$,a,Sk.builtin.none.none$])}},function(m,q){Sk.builtin.method=Sk.abstr.buildNativeClass("method",{constructor:function(a,c){Sk.asserts.assert(this instanceof Sk.builtin.method,"bad call to method constructor, use 'new'");this.im_func=a;this.im_self=c;this.im_call=a.tp$call},slots:{$r(){let a=this.im_func.tp$getattr(Sk.builtin.str.$qualname)||this.im_func.tp$getattr(Sk.builtin.str.$name);a=a&&a.v||"?";return new Sk.builtin.str("<bound method "+
 a+" of "+Sk.misceval.objectRepr(this.im_self)+">")},tp$hash(){const a=Sk.abstr.objectHash(this.im_self),c=Sk.abstr.objectHash(this.im_func);return a+c},tp$call(a,c){var b=this.im_call;if(void 0===b)throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(this.im_func)+"' object is not callable");a=[this.im_self,...a];return b.call(this.im_func,a,c)},tp$new(a,c){Sk.abstr.checkNoKwargs("method",c);Sk.abstr.checkArgsLen("method",a,2,2);c=a[0];a=a[1];if(!Sk.builtin.checkCallable(c))throw new Sk.builtin.TypeError("first argument must be callable");
 if(Sk.builtin.checkNone(a))throw new Sk.builtin.TypeError("self must not be None");return new Sk.builtin.method(c,a)},tp$richcompare(a,c){if("Eq"!=c&&"NotEq"!=c||!(a instanceof Sk.builtin.method))return Sk.builtin.NotImplemented.NotImplemented$;let b;try{b=Sk.misceval.richCompareBool(this.im_self,a.im_self,"Eq",!1)&&this.im_func==a.im_func}catch(e){b=!1}return"Eq"==c?b:!b},tp$descr_get(a,c){return this},tp$getattr(a,c){const b=Sk.abstr.lookupSpecial(this,a);return void 0!==b?b:this.im_func.tp$getattr(a,
 c)}},getsets:{__func__:{$get(){return this.im_func}},__self__:{$get(){return this.im_self}},__doc__:{$get(){return this.im_func.tp$getattr(Sk.builtin.str.$doc)}}},flags:{sk$suitable_as_base_class:!1}})},function(m,q){function a(a){if(null!==a&&void 0!==a){if(a.nb$index)return a.nb$index();if("number"===typeof a&&Number.isInteger(a))return a}}function c(b,c){const e=a(b);if(void 0!==e)return e;c=(c||"'{tp$name}' object cannot be interpreted as an integer").replace("{tp$name}",Sk.abstr.typeName(b));
 throw new Sk.builtin.TypeError(c);}Sk.misceval={};Sk.misceval.Suspension=function(a,c,f){this.$isSuspension=!0;void 0!==a&&void 0!==c&&(this.resume=function(){return a(c.resume())});this.child=c;this.optional=void 0!==c&&c.optional;this.data=void 0===f&&void 0!==c?c.data:f};Sk.exportSymbol("Sk.misceval.Suspension",Sk.misceval.Suspension);Sk.misceval.retryOptionalSuspensionOrThrow=function(a,c){for(;a instanceof Sk.misceval.Suspension;){if(!a.optional)throw new Sk.builtin.SuspensionError(c||"Cannot call a function that blocks or suspends here");
 a=a.resume()}return a};Sk.exportSymbol("Sk.misceval.retryOptionalSuspensionOrThrow",Sk.misceval.retryOptionalSuspensionOrThrow);Sk.misceval.isIndex=function(a){return null!==a&&void 0!==a&&(void 0!==a.nb$index||"number"===typeof a&&Number.isInteger(a))};Sk.exportSymbol("Sk.misceval.isIndex",Sk.misceval.isIndex);Sk.misceval.asIndex=a;Sk.misceval.asIndexSized=function(a,e,f){f=c(a,f);if("number"===typeof f)return f;if(null==e)return JSBI.lessThan(f,JSBI.__ZERO)?-Number.MAX_SAFE_INTEGER:Number.MAX_SAFE_INTEGER;
 throw new e("cannot fit '"+Sk.abstr.typeName(a)+"' into an index-sized integer");};Sk.misceval.asIndexOrThrow=c;Sk.misceval.applySlice=function(a,c,f,l){return Sk.abstr.objectGetItem(a,new Sk.builtin.slice(c,f,null),l)};Sk.exportSymbol("Sk.misceval.applySlice",Sk.misceval.applySlice);Sk.misceval.assignSlice=function(a,c,f,l,h){c=new Sk.builtin.slice(c,f);return null===l?Sk.abstr.objectDelItem(a,c):Sk.abstr.objectSetItem(a,c,l,h)};Sk.exportSymbol("Sk.misceval.assignSlice",Sk.misceval.assignSlice);
 Sk.misceval.arrayFromArguments=function(a){var b;if(1!=a.length)return a;var c=a[0];c instanceof Sk.builtin.set?c=c.tp$iter().$obj:c instanceof Sk.builtin.dict&&(c=Sk.builtin.dict.prototype.keys.func_code(c));if(c instanceof Sk.builtin.list||c instanceof Sk.builtin.tuple)return c.v;if(Sk.builtin.checkIterable(c)){a=[];c=Sk.abstr.iter(c);for(b=c.tp$iternext();void 0!==b;b=c.tp$iternext())a.push(b);return a}throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(c)+"' object is not iterable");};Sk.exportSymbol("Sk.misceval.arrayFromArguments",
 Sk.misceval.arrayFromArguments);Sk.misceval.iterator=Sk.abstr.buildIteratorClass("iterator",{constructor:function(a,c){this.tp$iternext=c?a:function(b){let c=a();return b||!c.$isSuspension?c:Sk.misceval.retryOptionalSuspensionOrThrow(c)}},iternext:function(a){return this.tp$iternext(a)},flags:{sk$acceptable_as_base_class:!1}});Sk.misceval.swappedOp_={Eq:"Eq",NotEq:"NotEq",Lt:"Gt",LtE:"GtE",Gt:"Lt",GtE:"LtE"};Sk.misceval.opSymbols={Eq:"==",NotEq:"!=",Lt:"<",LtE:"<=",Gt:">",GtE:">=",Is:"is",IsNot:"is not",
 In_:"in",NotIn:"not in"};Sk.misceval.richCompareBool=function(a,c,f,l){Sk.asserts.assert(a.sk$object&&c.sk$object,"JS object passed to richCompareBool");var b;var d=a.ob$type;var e=c.ob$type,n=e!==d&&void 0===e.sk$baseClass&&e.$isSubType(d);if(!Sk.__future__.python3&&d!==e&&("GtE"===f||"Gt"===f||"LtE"===f||"Lt"===f)){var k=[Sk.builtin.float_,Sk.builtin.int_,Sk.builtin.lng,Sk.builtin.bool],p=[Sk.builtin.dict,Sk.builtin.enumerate,Sk.builtin.filter_,Sk.builtin.list,Sk.builtin.map_,Sk.builtin.str,Sk.builtin.tuple,
 Sk.builtin.zip_];const b=k.indexOf(d),g=p.indexOf(d);k=k.indexOf(e);p=p.indexOf(e);if(a===Sk.builtin.none.none$)switch(f){case "Lt":return!0;case "LtE":return!0;case "Gt":return!1;case "GtE":return!1}if(c===Sk.builtin.none.none$)switch(f){case "Lt":return!1;case "LtE":return!1;case "Gt":return!0;case "GtE":return!0}if(-1!==b&&-1!==p)switch(f){case "Lt":return!0;case "LtE":return!0;case "Gt":return!1;case "GtE":return!1}if(-1!==g&&-1!==k)switch(f){case "Lt":return!1;case "LtE":return!1;case "Gt":return!0;
 case "GtE":return!0}if(-1!==g&&-1!==p)switch(f){case "Lt":return g<p;case "LtE":return g<=p;case "Gt":return g>p;case "GtE":return g>=p}}if("Is"===f){if(d===e){if(a===c)return!0;if(d===Sk.builtin.float_)return a.v===c.v;if(d===Sk.builtin.int_)return"number"===typeof a.v&&"number"===typeof a.v?a.v===c.v:JSBI.equal(JSBI.BigInt(a.v),JSBI.BigInt(c.v))}return!1}if("IsNot"===f)return d!==e?!0:d===Sk.builtin.float_?a.v!==c.v:d===Sk.builtin.int_?"number"===typeof a.v&&"number"===typeof a.v?a.v!==c.v:JSBI.notEqual(JSBI.BigInt(a.v),
 JSBI.BigInt(c.v)):a!==c;if("In"===f)return Sk.misceval.chain(Sk.abstr.sequenceContains(c,a,l),Sk.misceval.isTrue);if("NotIn"===f)return Sk.misceval.chain(Sk.abstr.sequenceContains(c,a,l),function(a){return!Sk.misceval.isTrue(a)});e={Eq:"ob$eq",NotEq:"ob$ne",Gt:"ob$gt",GtE:"ob$ge",Lt:"ob$lt",LtE:"ob$le"};d=e[f];if(n&&(l=e[Sk.misceval.swappedOp_[f]],c[l]!==a[l]&&(b=c[l](a))!==Sk.builtin.NotImplemented.NotImplemented$)||(b=a[d](c))!==Sk.builtin.NotImplemented.NotImplemented$||!n&&(l=e[Sk.misceval.swappedOp_[f]],
 (b=c[l](a))!==Sk.builtin.NotImplemented.NotImplemented$))return Sk.misceval.isTrue(b);if(!Sk.__future__.python3){if(n=Sk.abstr.lookupSpecial(a,Sk.builtin.str.$cmp))try{b=Sk.misceval.callsimArray(n,[c]);if(Sk.builtin.checkNumber(b)){b=Sk.builtin.asnum$(b);if("Eq"===f)return 0===b;if("NotEq"===f)return 0!==b;if("Lt"===f)return 0>b;if("Gt"===f)return 0<b;if("LtE"===f)return 0>=b;if("GtE"===f)return 0<=b}if(b!==Sk.builtin.NotImplemented.NotImplemented$)throw new Sk.builtin.TypeError("comparison did not return an int");
 }catch(w){throw new Sk.builtin.TypeError("comparison did not return an int");}if(n=Sk.abstr.lookupSpecial(c,Sk.builtin.str.$cmp))try{b=Sk.misceval.callsimArray(n,[a]);if(Sk.builtin.checkNumber(b)){b=Sk.builtin.asnum$(b);if("Eq"===f)return 0===b;if("NotEq"===f)return 0!==b;if("Lt"===f)return 0<b;if("Gt"===f)return 0>b;if("LtE"===f)return 0<=b;if("GtE"===f)return 0>=b}if(b!==Sk.builtin.NotImplemented.NotImplemented$)throw new Sk.builtin.TypeError("comparison did not return an int");}catch(w){throw new Sk.builtin.TypeError("comparison did not return an int");
 }if(a===Sk.builtin.none.none$&&c===Sk.builtin.none.none$){if("Eq"===f)return a.v===c.v;if("NotEq"===f)return a.v!==c.v;if("Gt"===f)return a.v>c.v;if("GtE"===f)return a.v>=c.v;if("Lt"===f)return a.v<c.v;if("LtE"===f)return a.v<=c.v}}if("Eq"===f)return a===c;if("NotEq"===f)return a!==c;a=Sk.abstr.typeName(a);c=Sk.abstr.typeName(c);throw new Sk.builtin.TypeError("'"+Sk.misceval.opSymbols[f]+"' not supported between instances of '"+a+"' and '"+c+"'");};Sk.exportSymbol("Sk.misceval.richCompareBool",Sk.misceval.richCompareBool);
 Sk.misceval.objectRepr=function(a){Sk.asserts.assert(void 0!==a,"trying to repr undefined");if(null!==a&&a.$r)return a.$r().v;try{return(new Sk.builtin.str(a)).v}catch(e){if(e instanceof Sk.builtin.TypeError)return"<unknown>";throw e;}};Sk.exportSymbol("Sk.misceval.objectRepr",Sk.misceval.objectRepr);Sk.misceval.opAllowsEquality=function(a){switch(a){case "LtE":case "Eq":case "GtE":return!0}return!1};Sk.exportSymbol("Sk.misceval.opAllowsEquality",Sk.misceval.opAllowsEquality);Sk.misceval.isTrue=function(a){return!0===
 a||a===Sk.builtin.bool.true$?!0:!1===a||a===Sk.builtin.bool.false$||null===a||void 0===a?!1:a.nb$bool?a.nb$bool():a.sq$length?0!==a.sq$length():!!a};Sk.exportSymbol("Sk.misceval.isTrue",Sk.misceval.isTrue);Sk.misceval.softspace_=!1;Sk.misceval.print_=function(a){Sk.misceval.softspace_&&("\n"!==a&&Sk.output(" "),Sk.misceval.softspace_=!1);var b=new Sk.builtin.str(a);return Sk.misceval.chain(Sk.importModule("sys",!1,!0),function(a){return Sk.misceval.apply(a.$d.stdout.write,void 0,void 0,void 0,[a.$d.stdout,
 b])},function(){var a;(a=0===b.v.length)||(a=b.v[b.v.length-1],a=!("\n"===a||"\t"===a||"\r"===a));if(a||" "===b.v[b.v.length-1])Sk.misceval.softspace_=!0})};Sk.exportSymbol("Sk.misceval.print_",Sk.misceval.print_);Sk.misceval.loadname=function(a,c){c=c[a];if(void 0!==c)return c;c=Sk.builtins[a];if(void 0!==c)return c;throw new Sk.builtin.NameError("name '"+Sk.unfixReserved(a)+"' is not defined");};Sk.exportSymbol("Sk.misceval.loadname",Sk.misceval.loadname);Sk.misceval.call=function(a,c,f,l,h){h=
 Array.prototype.slice.call(arguments,4);return Sk.misceval.apply(a,c,f,l,h)};Sk.exportSymbol("Sk.misceval.call",Sk.misceval.call);Sk.misceval.callAsync=function(a,c,f,l,h,d){d=Array.prototype.slice.call(arguments,5);return Sk.misceval.applyAsync(a,c,f,l,h,d)};Sk.exportSymbol("Sk.misceval.callAsync",Sk.misceval.callAsync);Sk.misceval.callOrSuspend=function(a,c,f,l,h){h=Array.prototype.slice.call(arguments,4);return Sk.misceval.applyOrSuspend(a,c,f,l,h)};Sk.exportSymbol("Sk.misceval.callOrSuspend",
 Sk.misceval.callOrSuspend);Sk.misceval.callsim=function(a,c){c=Array.prototype.slice.call(arguments,1);return Sk.misceval.apply(a,void 0,void 0,void 0,c)};Sk.exportSymbol("Sk.misceval.callsim",Sk.misceval.callsim);Sk.misceval.callsimArray=function(a,c,f){c=c||[];return Sk.misceval.retryOptionalSuspensionOrThrow(Sk.misceval.callsimOrSuspendArray(a,c,f))};Sk.exportSymbol("Sk.misceval.callsimArray",Sk.misceval.callsimArray);Sk.misceval.callsimAsync=function(a,c,f){f=Array.prototype.slice.call(arguments,
 2);return Sk.misceval.applyAsync(a,c,void 0,void 0,void 0,f)};Sk.exportSymbol("Sk.misceval.callsimAsync",Sk.misceval.callsimAsync);Sk.misceval.callsimOrSuspend=function(a,c){c=Array.prototype.slice.call(arguments,1);return Sk.misceval.applyOrSuspend(a,void 0,void 0,void 0,c)};Sk.exportSymbol("Sk.misceval.callsimOrSuspend",Sk.misceval.callsimOrSuspend);Sk.misceval.callsimOrSuspendArray=function(a,c,f){c=c||[];return void 0!==a&&a.tp$call?a.tp$call(c,f):Sk.misceval.applyOrSuspend(a,void 0,void 0,f,
 c)};Sk.exportSymbol("Sk.misceval.callsimOrSuspendArray",Sk.misceval.callsimOrSuspendArray);Sk.misceval.apply=function(a,c,f,l,h){a=Sk.misceval.applyOrSuspend(a,c,f,l,h);return a instanceof Sk.misceval.Suspension?Sk.misceval.retryOptionalSuspensionOrThrow(a):a};Sk.exportSymbol("Sk.misceval.apply",Sk.misceval.apply);Sk.misceval.asyncToPromise=function(a,c){return new Promise(function(b,e){try{(function g(a){try{for(var d=function(){try{g(a.resume())}catch(t){e(t)}},f=function(b){try{a.data.result=b,
 d()}catch(y){e(y)}},p=function(b){try{a.data.error=b,d()}catch(y){e(y)}};a instanceof Sk.misceval.Suspension;){var l=c&&(c[a.data.type]||c["*"]);if(l){var A=l(a);if(A){A.then(g,e);return}}if("Sk.promise"==a.data.type){a.data.promise.then(f,p);return}if("Sk.yield"==a.data.type){Sk.global.setImmediate(d);return}if("Sk.delay"==a.data.type){Sk.global.setImmediate(d);return}if(a.optional)a=a.resume();else throw new Sk.builtin.SuspensionError("Unhandled non-optional suspension of type '"+a.data.type+"'");
 }b(a)}catch(t){e(t)}})(a())}catch(h){e(h)}})};Sk.exportSymbol("Sk.misceval.asyncToPromise",Sk.misceval.asyncToPromise);Sk.misceval.applyAsync=function(a,c,f,l,h,d){return Sk.misceval.asyncToPromise(function(){return Sk.misceval.applyOrSuspend(c,f,l,h,d)},a)};Sk.exportSymbol("Sk.misceval.applyAsync",Sk.misceval.applyAsync);Sk.misceval.chain=function(a,c){for(var b=1,e=a,h,d;;){if(b==arguments.length)return e;if(e&&e.$isSuspension)break;e=arguments[b](e);b++}d=Array(arguments.length-b);for(h=0;h<arguments.length-
 b;h++)d[h]=arguments[b+h];h=0;return function k(a){for(;h<d.length;){if(a instanceof Sk.misceval.Suspension)return new Sk.misceval.Suspension(k,a);a=d[h](a);h++}return a}(e)};Sk.exportSymbol("Sk.misceval.chain",Sk.misceval.chain);Sk.misceval.tryCatch=function(a,c){try{var b=a()}catch(l){return c(l)}return b instanceof Sk.misceval.Suspension?(a=new Sk.misceval.Suspension(void 0,b),a.resume=function(){return Sk.misceval.tryCatch(b.resume,c)},a):b};Sk.exportSymbol("Sk.misceval.tryCatch",Sk.misceval.tryCatch);
 Sk.misceval.iterFor=function(a,c,f){var b=f,e=function(c){b=c;return c instanceof Sk.misceval.Break?c:a.tp$iternext(!0)};return function n(a){for(;void 0!==a;){if(a instanceof Sk.misceval.Suspension)return new Sk.misceval.Suspension(n,a);if(a===Sk.misceval.Break||a instanceof Sk.misceval.Break)return a.brValue;a=Sk.misceval.chain(c(a,b),e)}return b}(a.tp$iternext(!0))};Sk.exportSymbol("Sk.misceval.iterFor",Sk.misceval.iterFor);Sk.misceval.iterArray=function(a,c,f){Sk.asserts.assert(Array.isArray(a),
 "iterArgs requires an array");let b=0;return Sk.misceval.iterFor({tp$iternext:()=>a[b++]},c,f)};Sk.misceval.arrayFromIterable=function(a,c){if(void 0===a)return[];if(void 0===a.hp$type&&void 0!==a.sk$asarray)return a.sk$asarray();const b=[];a=Sk.misceval.chain(Sk.misceval.iterFor(Sk.abstr.iter(a),a=>{b.push(a)}),()=>b);return c?a:Sk.misceval.retryOptionalSuspensionOrThrow(a)};Sk.misceval.Break=function(a){if(!(this instanceof Sk.misceval.Break))return new Sk.misceval.Break(a);this.brValue=a};Sk.exportSymbol("Sk.misceval.Break",
 Sk.misceval.Break);Sk.misceval.applyOrSuspend=function(a,c,f,l,h){var b;if(null==a||a===Sk.builtin.none.none$)throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object is not callable");"function"===typeof a&&void 0===a.tp$call&&(a=new Sk.builtin.func(a));var e=a.tp$call;if(void 0!==e){if(f)for(f=f.tp$iter(),b=f.tp$iternext();void 0!==b;b=f.tp$iternext())h.push(b);if(c)for(f=Sk.abstr.iter(c),b=f.tp$iternext();void 0!==b;b=f.tp$iternext()){if(!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("Function keywords must be strings");
 l.push(b.v);l.push(Sk.abstr.objectGetItem(c,b,!1))}return e.call(a,h,l,c)}e=a.__call__;if(void 0!==e)return h.unshift(a),Sk.misceval.apply(e,c,f,l,h);throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object is not callable");};Sk.exportSymbol("Sk.misceval.applyOrSuspend",Sk.misceval.applyOrSuspend);Sk.misceval.promiseToSuspension=function(a){var b=new Sk.misceval.Suspension;b.resume=function(){if(b.data.error)throw b.data.error;return b.data.result};b.data={type:"Sk.promise",promise:a};return b};
 Sk.exportSymbol("Sk.misceval.promiseToSuspension",Sk.misceval.promiseToSuspension);Sk.misceval.buildClass=function(a,c,f,l,h){var b=Sk.builtin.type,e={};c(a,e,void 0===h?{}:h);a.__name__&&(e.__module__=a.__name__);a=new Sk.builtin.str(f);l=new Sk.builtin.tuple(l);c=[];for(var n in e)e.hasOwnProperty(n)&&(c.push(new Sk.builtin.str(n)),c.push(e[n]));c=new Sk.builtin.dict(c);return Sk.misceval.callsimArray(b,[a,l,c])};Sk.exportSymbol("Sk.misceval.buildClass",Sk.misceval.buildClass)},function(m,q){Sk.builtin.callable_iter_=
 Sk.abstr.buildIteratorClass("callable_iterator",{constructor:function(a,c){if(!Sk.builtin.checkCallable(a))throw new Sk.builtin.TypeError("iter(v, w): v must be callable");this.$callable=a;this.$sentinel=c;this.$flag=!1},iternext(a){if(!0!==this.$flag){if(a)return a=Sk.misceval.callsimOrSuspendArray(this.$callable,[]),Sk.misceval.chain(a,a=>{if(Sk.misceval.richCompareBool(a,this.$sentinel,"Eq",!0))this.$flag=!0;else return a});a=Sk.misceval.callsimArray(this.$callable,[]);if(Sk.misceval.richCompareBool(a,
 this.$sentinel,"Eq",!1))this.$flag=!0;else return a}},flags:{sk$acceptable_as_base_class:!1}});Sk.builtin.seq_iter_=Sk.abstr.buildIteratorClass("iterator",{constructor:function(a){this.$index=0;this.$seq=a},iternext(a){let c;c=Sk.misceval.tryCatch(()=>this.$seq.mp$subscript(new Sk.builtin.int_(this.$index++),a),a=>{if(!(a instanceof Sk.builtin.IndexError||a instanceof Sk.builtin.StopIteration))throw a;});return a?c:Sk.misceval.retryOptionalSuspensionOrThrow(c)},methods:{__length_hint__:{$flags:{NoArgs:!0},
 $meth(){if(this.$seq.sq$length)return this.$seq.sq$length()-this.$index;throw new Sk.builtin.NotImplementedError("len is not implemented for "+Sk.abstr.typeName(this.$seq));}}},flags:{sk$acceptable_as_base_class:!1}});Sk.exportSymbol("Sk.builtin.callable_iter_",Sk.builtin.callable_iter_)},function(m,q){Sk.builtin.list=Sk.abstr.buildNativeClass("list",{constructor:function(a){void 0===a?a=[]:Array.isArray(a)||(a=Sk.misceval.arrayFromIterable(a));Sk.asserts.assert(this instanceof Sk.builtin.list,"bad call to list, use 'new' with an Array of python objects");
 this.v=a;this.in$repr=!1},slots:{tp$getattr:Sk.generic.getAttr,tp$as_sequence_or_mapping:!0,tp$hash:Sk.builtin.none.none$,tp$doc:"Built-in mutable sequence.\n\nIf no argument is given, the constructor creates a new empty list.\nThe argument must be an iterable if specified.",tp$new:Sk.generic.new,tp$init(a,c){Sk.abstr.checkNoKwargs("list",c);Sk.abstr.checkArgsLen("list",a,0,1);return Sk.misceval.chain(Sk.misceval.arrayFromIterable(a[0],!0),a=>{this.v=a})},$r(){if(this.in$repr)return new Sk.builtin.str("[...]");
 this.in$repr=!0;const a=this.v.map(a=>Sk.misceval.objectRepr(a));this.in$repr=!1;return new Sk.builtin.str("["+a.join(", ")+"]")},tp$richcompare:Sk.generic.seqCompare,tp$iter(){return new a(this)},sq$length(){return this.v.length},sq$concat(a){if(!(a instanceof Sk.builtin.list))throw new Sk.builtin.TypeError("can only concatenate list to list");return new Sk.builtin.list(this.v.concat(a.v))},sq$contains(a){for(let b=this.tp$iter(),c=b.tp$iternext();void 0!==c;c=b.tp$iternext())if(c===a||Sk.misceval.richCompareBool(c,
 a,"Eq"))return!0;return!1},sq$repeat(a){if(!Sk.misceval.isIndex(a))throw new Sk.builtin.TypeError("can't multiply sequence by non-int of type '"+Sk.abstr.typeName(a)+"'");a=Sk.misceval.asIndexSized(a,Sk.builtin.OverflowError);if(a*this.v.length>Number.MAX_SAFE_INTEGER)throw new Sk.builtin.OverflowError;const b=[];for(let c=0;c<a;c++)for(let a=0;a<this.v.length;a++)b.push(this.v[a]);return new Sk.builtin.list(b)},mp$subscript(a){if(Sk.misceval.isIndex(a))return a=Sk.misceval.asIndexSized(a,Sk.builtin.IndexError),
 a=this.list$inRange(a,"list index out of range"),this.v[a];if(a instanceof Sk.builtin.slice){const b=[];a.sssiter$(this.v.length,a=>{b.push(this.v[a])});return new Sk.builtin.list(b)}throw new Sk.builtin.TypeError("list indices must be integers or slices, not "+Sk.abstr.typeName(a));},mp$ass_subscript(a,c){void 0===c?this.del$subscript(a):this.ass$subscript(a,c)},sq$inplace_concat(a){return a===this?(this.v.push(...this.v),this):Sk.misceval.chain(Sk.misceval.iterFor(Sk.abstr.iter(a),a=>{this.v.push(a)}),
 ()=>this)},sq$inplace_repeat(a){if(!Sk.misceval.isIndex(a))throw new Sk.builtin.TypeError("can't multiply sequence by non-int of type '"+Sk.abstr.typeName(a)+"'");a=Sk.misceval.asIndexSized(a,Sk.builtin.OverflowError);const b=this.v.length;if(0>=a)this.v.length=0;else if(a*b>Number.MAX_SAFE_INTEGER)throw new Sk.builtin.OverflowError;for(let c=1;c<a;c++)for(let a=0;a<b;a++)this.v.push(this.v[a]);return this}},methods:{__reversed__:{$meth(){return new c(this)},$flags:{NoArgs:!0},$textsig:"($self, /)",
 $doc:"Return a reverse iterator over the list."},clear:{$meth(){this.v.length=0;return Sk.builtin.none.none$},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Remove all items from list."},copy:{$meth(){return new Sk.builtin.list(this.v.slice(0))},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Return a shallow copy of the list."},append:{$meth(a){this.v.push(a);return Sk.builtin.none.none$},$flags:{OneArg:!0},$textsig:"($self, object, /)",$doc:"Append object to the end of the list."},insert:{$meth(a,
 c){a=Sk.misceval.asIndexSized(a,Sk.builtin.OverflowError);({start:a}=Sk.builtin.slice.startEnd$wrt(this,a));this.v.splice(a,0,c);return Sk.builtin.none.none$},$flags:{MinArgs:2,MaxArgs:2},$textsig:"($self, index, object, /)",$doc:"Insert object before index."},extend:{$meth(a){return a===this?(this.v.push(...this.v),Sk.builtin.none.none$):Sk.misceval.chain(Sk.misceval.iterFor(Sk.abstr.iter(a),a=>{this.v.push(a)}),()=>Sk.builtin.none.none$)},$flags:{OneArg:!0},$textsig:"($self, iterable, /)",$doc:"Extend list by appending elements from the iterable."},
 pop:{$meth(a){a=void 0===a?this.v.length-1:Sk.misceval.asIndexSized(a,Sk.builtin.OverflowError);a=this.list$inRange(a,"pop index out of range");const b=this.v[a];this.v.splice(a,1);return b},$flags:{MinArgs:0,MaxArgs:1},$textsig:"($self, index=-1, /)",$doc:"Remove and return item at index (default last).\n\nRaises IndexError if list is empty or index is out of range."},remove:{$meth(a){a=this.list$indexOf(a);if(-1===a)throw new Sk.builtin.ValueError("list.remove(x): x not in list");this.v.splice(a,
 1);return Sk.builtin.none.none$},$flags:{OneArg:!0},$textsig:"($self, value, /)",$doc:"Remove first occurrence of value.\n\nRaises ValueError if the value is not present."},sort:{$meth(a,c){if(a.length)throw new Sk.builtin.TypeError("sort() takes no positional arguments");const [b,e]=Sk.abstr.copyKeywordsToNamedArgs("sort",["key","reverse"],a,c,[Sk.builtin.none.none$,Sk.builtin.bool.false$]);return this.list$sort(void 0,b,e)},$flags:{FastCall:!0},$textsig:"($self, /, *, key=None, reverse=False)",
 $doc:"Stable sort *IN PLACE*."},index:{$meth(a,c,f){if(void 0!==c&&!Sk.misceval.isIndex(c)||void 0!==f&&!Sk.misceval.isIndex(f))throw new Sk.builtin.TypeError("slice indices must be integers or have an __index__ method");c=this.list$indexOf(a,c,f);if(-1===c)throw new Sk.builtin.ValueError(Sk.misceval.objectRepr(a)+" is not in list");return new Sk.builtin.int_(c)},$flags:{MinArgs:1,MaxArgs:3},$textsig:"($self, value, start=0, stop=sys.maxsize, /)",$doc:"Return first index of value.\n\nRaises ValueError if the value is not present."},
 count:{$meth(a){let b=0;const c=this.v.length;for(let e=0;e<c;e++)if(this.v[e]===a||Sk.misceval.richCompareBool(this.v[e],a,"Eq"))b+=1;return new Sk.builtin.int_(b)},$flags:{OneArg:!0},$textsig:"($self, value, /)",$doc:"Return number of occurrences of value."},reverse:{$meth(){this.list$reverse();return Sk.builtin.none.none$},$flags:{NoArgs:!0},$textsig:"($self, /)",$doc:"Reverse *IN PLACE*."}},proto:{sk$asarray(){return this.v.slice(0)},list$sort:function(a,c,f){const b=null!=c&&c!==Sk.builtin.none.none$;
 var e=null!=a&&a!==Sk.builtin.none.none$;let d;if(void 0===f)d=!1;else if(Sk.builtin.checkInt(f))d=Sk.misceval.isTrue(f);else throw new Sk.builtin.TypeError("an integer is required");f=new Sk.builtin.timSort(this);this.v=[];const g=new Sk.builtin.int_(0);if(b){f.lt=e?function(b,c){b=Sk.misceval.callsimArray(a,[b[0],c[0]]);return Sk.misceval.richCompareBool(b,g,"Lt")}:function(a,b){return Sk.misceval.richCompareBool(a[0],b[0],"Lt")};for(let a=0;a<f.listlength;a++){e=f.list.v[a];const b=Sk.misceval.callsimArray(c,
 [e]);f.list.v[a]=[b,e]}}else e&&(f.lt=function(b,c){b=Sk.misceval.callsimArray(a,[b,c]);return Sk.misceval.richCompareBool(b,g,"Lt")});d&&f.list.list$reverse();f.sort();d&&f.list.list$reverse();if(b)for(c=0;c<f.listlength;c++)e=f.list.v[c][1],f.list.v[c]=e;c=0<this.sq$length();this.v=f.list.v;if(c)throw new Sk.builtin.ValueError("list modified during sort");return Sk.builtin.none.none$},list$inRange(a,c){0>a&&(a+=this.v.length);if(0<=a&&a<this.v.length)return a;throw new Sk.builtin.IndexError(c);
 },list$indexOf(a,c,f){for({start:c,end:f}=Sk.builtin.slice.startEnd$wrt(this,c,f);c<f&&c<this.v.length;c++)if(this.v[c]===a||Sk.misceval.richCompareBool(this.v[c],a,"Eq"))return c;return-1},list$reverse(){this.v.reverse()},ass$subscript(a,c){if(Sk.misceval.isIndex(a))this.ass$index(a,c);else if(a instanceof Sk.builtin.slice){const {start:b,stop:e,step:h}=a.slice$indices(this.v.length);1===h?this.ass$slice(b,e,c):this.ass$ext_slice(a,c)}else throw new Sk.builtin.TypeError("list indices must be integers or slices, not "+
 Sk.abstr.typeName(a));},ass$index(a,c){a=Sk.misceval.asIndexSized(a,Sk.builtin.IndexError);a=this.list$inRange(a,"list assignment index out of range");this.v[a]=c},ass$slice(a,c,f){if(!Sk.builtin.checkIterable(f))throw new Sk.builtin.TypeError("can only assign an iterable");f=Sk.misceval.arrayFromIterable(f);this.v.splice(a,c-a,...f)},ass$ext_slice(a,c){const b=[];a.sssiter$(this.v.length,a=>{b.push(a)});if(!Sk.builtin.checkIterable(c))throw new Sk.builtin.TypeError("must assign iterable to extended slice");
 a=Sk.misceval.arrayFromIterable(c);if(b.length!==a.length)throw new Sk.builtin.ValueError("attempt to assign sequence of size "+a.length+" to extended slice of size "+b.length);for(c=0;c<b.length;c++)this.v.splice(b[c],1,a[c])},del$subscript(a){if(Sk.misceval.isIndex(a))this.del$index(a);else if(a instanceof Sk.builtin.slice){const {start:b,stop:c,step:l}=a.slice$indices(this.v.length);1===l?this.del$slice(b,c):this.del$ext_slice(a,0<l?1:0)}else throw new Sk.builtin.TypeError("list indices must be integers, not "+
 Sk.abstr.typeName(a));},del$index(a){a=Sk.misceval.asIndexSized(a,Sk.builtin.IndexError);a=this.list$inRange(a,"list assignment index out of range");this.v.splice(a,1)},del$slice(a,c){this.v.splice(a,c-a)},del$ext_slice(a,c){let b=0;a.sssiter$(this.v.length,a=>{this.v.splice(a-b,1);b+=c})}}});Sk.exportSymbol("Sk.builtin.list",Sk.builtin.list);Sk.builtin.list.py2$methods={sort:{$name:"sort",$meth(a,c){const [b,e,h]=Sk.abstr.copyKeywordsToNamedArgs("sort",["cmp","key","reverse"],a,c,[Sk.builtin.none.none$,
 Sk.builtin.none.none$,Sk.builtin.bool.false$]);return this.list$sort(b,e,h)},$flags:{FastCall:!0},$textsig:"($self, cmp=None, key=None, reverse=False)",$doc:"Stable sort *IN PLACE*."}};var a=Sk.abstr.buildIteratorClass("list_iterator",{constructor:function(a){this.$index=0;this.$seq=a.v},iternext:Sk.generic.iterNextWithArray,methods:{__length_hint__:Sk.generic.iterLengthHintWithArrayMethodDef},flags:{sk$acceptable_as_base_class:!1}}),c=Sk.abstr.buildIteratorClass("list_reverseiterator",{constructor:function(a){this.$index=
 a.v.length-1;this.$seq=a.v},iternext(){const a=this.$seq[this.$index--];if(void 0===a)this.tp$iternext=()=>{};else return a},methods:{__length_hint__:Sk.generic.iterReverseLengthHintMethodDef},flags:{sk$acceptable_as_base_class:!1}})},function(m,q,a){function c(a){var b=a.replace(K,"").replace(G,"_").toLowerCase();b=F[b];return void 0===b?a:b}function b(a,b,c){if(void 0===b)b="utf-8";else if(Sk.builtin.checkString(b))b=b.$jsstr();else throw new Sk.builtin.TypeError(a+"() argument "+("bytesstr".includes(a)?
 2:1)+" must be str not "+Sk.abstr.typeName(b));if(void 0===c)c="strict";else if(Sk.builtin.checkString(c))c=c.$jsstr();else throw new Sk.builtin.TypeError(a+"() argument "+("bytesstr".includes(a)?3:2)+" must be str not "+Sk.abstr.typeName(c));return{encoding:b,errors:c}}function e(a,b,d){a=a.$jsstr();b=c(b);if("strict"!==d&&"ignore"!==d&&"replace"!==d)throw new Sk.builtin.NotImplementedError("'"+d+"' error handling not implemented in Skulpt");if("ascii"===b){b=[];for(e in a){const c=a.charCodeAt(e);
 if(127<c){if("strict"===d)throw d=f(c),new Sk.builtin.UnicodeEncodeError("'ascii' codec can't encode character '"+d+"' in position "+e+": ordinal not in range(128)");"replace"===d&&b.push(63)}else b.push(c)}var e=new Uint8Array(b)}else if("utf-8"===b)e=U.encode(a);else throw new Sk.builtin.LookupError("unknown encoding: "+b);return new Sk.builtin.bytes(e)}function f(a){var b=265>=a?"\\x":"\\u";a=a.toString(16);3===a.length&&(a=a.slice(1,3));return a=1===a.length?b+"0"+a:b+a}function l(a,d){({encoding:a,
 errors:d}=b("decode",a,d));a=c(a);if("strict"!==d&&"ignore"!==d&&"replace"!==d)throw new Sk.builtin.NotImplementedError("'"+d+"' error handling not implemented in Skulpt");if("ascii"===a){a=this.v;var e="";for(let b=0;b<a.length;b++){const c=a[b];if(127<c){if("strict"===d)throw new Sk.builtin.UnicodeDecodeError("'ascii' codec can't decode byte 0x"+c.toString(16)+" in position "+b+": ordinal not in range(128)");"replace"===d&&(e+=String.fromCharCode(65533))}else e+=String.fromCharCode(c)}a=e}else if("utf-8"===
 a)a:if(a=this.v,e=d,d=C.decode(a),"replace"===e)a=d;else{if("strict"===e){e=d.indexOf("\ufffd");if(-1===e){a=d;break a}throw new Sk.builtin.UnicodeDecodeError("'utf-8' codec can't decode byte 0x"+a[e].toString(16)+" in position "+e+": invalid start byte");}a=d.replace(/\ufffd/g,"")}else throw new Sk.builtin.LookupError("unknown encoding: "+a);return new Sk.builtin.str(a)}function h(a,b){return function(c,d,e){if(!(c instanceof Sk.builtin.bytes||c instanceof Sk.builtin.tuple))throw new Sk.builtin.TypeError(a+
 " first arg must be bytes or a tuple of bytes, not "+Sk.abstr.typeName(c));({start:d,end:e}=Sk.builtin.slice.startEnd$wrt(this,d,e));if(e<d)return Sk.builtin.bool.false$;d=this.v.subarray(d,e);if(c instanceof Sk.builtin.tuple){for(let a=Sk.abstr.iter(c),e=a.tp$iternext();void 0!==e;e=a.tp$iternext())if(e=this.get$raw(e),b(d,e))return Sk.builtin.bool.true$;return Sk.builtin.bool.false$}return b(d,c.v)?Sk.builtin.bool.true$:Sk.builtin.bool.false$}}function d(a){return function(b,c,d){b=this.get$tgt(b);
 ({start:c,end:d}=Sk.builtin.slice.startEnd$wrt(this,c,d));return d<c?-1:"number"===typeof b?(b=a?this.v.lastIndexOf(b,d-1):this.v.indexOf(b,c),b>=c&&b<d?b:-1):a?this.find$subright(b,c,d):this.find$subleft(b,c,d)}}function g(a){return function(b){b=this.get$raw(b);let c;if(a){if(c=this.find$subright(b,0,this.v.length),0>c)return new Sk.builtin.tuple([new Sk.builtin.bytes,new Sk.builtin.bytes,this])}else if(c=this.find$subleft(b,0,this.v.length),0>c)return new Sk.builtin.tuple([this,new Sk.builtin.bytes,
 new Sk.builtin.bytes]);return new Sk.builtin.tuple([new Sk.builtin.bytes(this.v.subarray(0,c)),new Sk.builtin.bytes(b),new Sk.builtin.bytes(this.v.subarray(c+b.length))])}}function n(a,b){return function(c){var d=void 0===c||c===Sk.builtin.none.none$?new Uint8Array([9,10,11,12,13,32,133]):this.get$raw(c);c=0;var e=this.v.length;if(a)for(;c<e&&d.includes(this.v[c]);)c++;if(b)for(;e>c&&d.includes(this.v[e-1]);)e--;d=new Uint8Array(e-c);for(e=0;e<d.length;e++)d[e]=this.v[e+c];return new Sk.builtin.bytes(d)}}
 function k(a,b,c){return function(d,e){if(void 0===e)e=32;else if(e instanceof Sk.builtin.bytes&&1==e.v.length)e=e.v[0];else throw new Sk.builtin.TypeError(a+"() argument 2 must be a byte string of length 1, not "+Sk.abstr.typeName(e));const f=this.v.length;d=Sk.misceval.asIndexSized(d,Sk.builtin.OverflowError);if(d<=f)return new Sk.builtin.bytes(this.v);const g=new Uint8Array(d);let k,h;c?(k=Math.floor((d-f)/2),h=(d-f)%2?k+1:k):b?(k=d-f,h=0):(k=0,h=d-f);g.fill(e,0,k);for(let a=0;a<f;a++)g[a+k]=this.v[a];
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 splitlines:{$meth(a){a=Sk.misceval.isTrue(a);const b=[];let c=0;let d=0;const e=this.v.length;for(;d<e;){var f=this.v[d];if(13===f){const e=10===this.v[d+1];f=a?e?d+2:d+1:d;b.push(new Sk.builtin.bytes(this.v.subarray(c,f)));d=c=e?d+2:d+1}else 10===f?(f=a?d+1:d,b.push(new Sk.builtin.bytes(this.v.subarray(c,f))),d=c=d+1):d++}c<e&&b.push(new Sk.builtin.bytes(this.v.subarray(c,e)));return new Sk.builtin.list(b)},$flags:{NamedArgs:["keepends"],Defaults:[!1]},$textsig:"($self, /, keepends=False)",$doc:"Return a list of the lines in the bytes, breaking at line boundaries.\n\nLine breaks are not included in the resulting list unless keepends is given and\ntrue."},
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 swapcase:{$meth:E(a=>A(a)?a+32:w(a)?a-32:a),$flags:{NoArgs:!0},$textsig:null,$doc:"B.swapcase() -> copy of B\n\nReturn a copy of B with uppercase ASCII characters converted\nto lowercase ASCII and vice versa."},title:{$meth(){const a=this.v.length,b=new Uint8Array(a);let c=!1;for(let d=0;d<a;d++){const a=this.v[d];A(a)?(b[d]=c?a+32:a,c=!0):w(a)?(b[d]=c?a:a-32,c=!0):(b[d]=a,c=!1)}return new Sk.builtin.bytes(b)},$flags:{NoArgs:!0},$textsig:null,$doc:"B.title() -> copy of B\n\nReturn a titlecased version of B, i.e. ASCII words start with uppercase\ncharacters, all remaining cased characters have lowercase."},
 upper:{$meth:E(a=>w(a)?a-32:a),$flags:{NoArgs:!0},$textsig:null,$doc:"B.upper() -> copy of B\n\nReturn a copy of B with all ASCII characters converted to uppercase."},zfill:{$meth(a){a=Sk.misceval.asIndexSized(a,Sk.builtin.IndexError);const b=a-this.v.length;if(0>=b)return new Sk.builtin.bytes(this.v);const c=new Uint8Array(a);let d=0,e;if(43===this.v[0]||45===this.v[0])c[0]=this.v[0],d++;c.fill(48,d,d+b);e=d;for(d+=b;d<a;d++,e++)c[d]=this.v[e];return new Sk.builtin.bytes(c)},$flags:{OneArg:!0},$textsig:null,
 $doc:"B.zfill(width) -> copy of B\n\nPad a numeric string B with zeros on the left, to fill a field\nof the specified width.  B is never truncated."}},classmethods:{fromhex:{$meth:function(a){function b(b){for(let c=f;c<b;c+=2){let b=a.substr(c,2);if(!d.test(b))throw new Sk.builtin.ValueError("non-hexadecimal number found in fromhex() arg at position "+(c+1));e.push(parseInt(b,16))}}if(!Sk.builtin.checkString(a))throw new Sk.builtin.TypeError("fromhex() argument must be str, not "+Sk.abstr.typeName(a));
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 e.flags={sk$acceptable_as_base:!1};"dict_values"===a&&(delete e.slots.tp$as_number,delete e.slots.tp$richcompare);return Sk.abstr.buildNativeClass(a,e)}function f(a,b,c){return Sk.abstr.buildIteratorClass(a,{constructor:function(a){this.$index=0;this.$orig=a;this.tp$iternext=()=>{this.$seq=a.$items();this.$version=a.$version;c&&(this.$seq=this.$seq.reverse());this.tp$iternext=this.constructor.prototype.tp$iternext;return this.tp$iternext()}},iternext:b,methods:{__length_hint__:Sk.generic.iterLengthHintWithArrayMethodDef},
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 $r(){if(this.in$repr)return new Sk.builtin.str("{...}");this.in$repr=!0;const a=this.$items().map(([a,b])=>Sk.misceval.objectRepr(a)+": "+Sk.misceval.objectRepr(b));this.in$repr=!1;return new Sk.builtin.str("{"+a.join(", ")+"}")},tp$new:Sk.generic.new,tp$init(a,b){return this.update$common(a,b,"dict")},tp$iter(){return new k(this)},tp$richcompare(a,b){let c;if(!(a instanceof Sk.builtin.dict)||"Eq"!==b&&"NotEq"!==b)return Sk.builtin.NotImplemented.NotImplemented$;if(a===this)c=!0;else if(this.size!==
 a.size)c=!1;else{let b;c=this.$items().every(([c,d])=>{b=a.mp$lookup(c);return void 0!==b&&(b===d||Sk.misceval.richCompareBool(d,b,"Eq"))})}return"Eq"===b?c:!c},nb$or(a){if(!(a instanceof Sk.builtin.dict))return Sk.builtin.NotImplemented.NotImplemented$;const b=this.dict$copy();b.dict$merge(a);return b},nb$reflected_or(a){if(!(a instanceof Sk.builtin.dict))return Sk.builtin.NotImplemented.NotImplemented$;a=a.dict$copy();a.dict$merge(this);return a},nb$inplace_or(a){return Sk.misceval.chain(this.update$onearg(a),
 ()=>this)},sq$length(){return this.get$size()},sq$contains(a){return void 0!==this.mp$lookup(a)},mp$subscript(a,b){var c=this.mp$lookup(a);if(void 0!==c)return c;c=Sk.abstr.lookupSpecial(this,Sk.builtin.str.$missing);if(void 0!==c)return a=Sk.misceval.callsimOrSuspendArray(c,[a]),b?a:Sk.misceval.retryOptionalSuspensionOrThrow(a);throw new Sk.builtin.KeyError(a);},mp$ass_subscript(a,b){if(void 0===b){if(void 0===this.pop$item(a))throw new Sk.builtin.KeyError(a);}else this.set$item(a,b)}},methods:{__reversed__:{$meth(){return new A(this)},
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 b,c){Sk.abstr.checkArgsLen(c,a,0,1);a=a[0];let d;void 0!==a&&(d=this.update$onearg(a));return Sk.misceval.chain(d,()=>{if(b)for(let a=0;a<b.length;a+=2)this.set$item(new Sk.builtin.str(b[a]),b[a+1])})},update$onearg(a){return a instanceof Sk.builtin.dict||void 0!==Sk.abstr.lookupSpecial(a,Sk.builtin.str.$keys)?this.dict$merge(a):this.dict$merge_seq(a)},dict$copy(){const a=new Sk.builtin.dict([]);a.size=this.size;var b=Object.entries(this.entries);for(var c in b){var d=b[c][1];a.entries[b[c][0]]=[d[0],
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 0;d<b.length;d++){var c=b[d];if(void 0!==c&&(c[0]===a||Sk.misceval.richCompareBool(a,c[0],"Eq")))return c}},pop$bucket_item:function(a,b){const c=this.buckets[b];let d;if(void 0!==c)for(let e=0;e<c.length;e++)if(d=c[e],void 0!==d&&(d[0]===a||Sk.misceval.richCompareBool(a,d[0],"Eq")))return delete this.entries["#"+b+"_"+e],c[e]=void 0,c.every(a=>void 0===a)&&delete this.buckets[b],d},set$bucket_item:function(a,b,c){let d=this.buckets[c];a=[a,b];void 0===d?(this.buckets[c]=[a],c="#"+c+"_0"):(b=d.indexOf(void 0),
 -1!==b?(c="#"+c+"_"+b,d[b]=a):(c="#"+c+"_"+d.length,d.push(a)));this.entries[c]=a},pop$item:function(b){const c=a(b);"string"===typeof c?(b=this.entries[c],delete this.entries[c]):b=this.pop$bucket_item(b,c);if(void 0!==b)return this.size--,this.$version++,b},dict$merge:function(a){if(a.tp$iter===Sk.builtin.dict.prototype.tp$iter){var b=a.tp$iter();for(let c=b.tp$iternext();void 0!==c;c=b.tp$iternext()){const b=a.mp$subscript(c);this.set$item(c,b)}}else return b=Sk.abstr.lookupSpecial(a,Sk.builtin.str.$keys),
 Sk.misceval.chain(Sk.misceval.callsimOrSuspendArray(b,[]),b=>Sk.misceval.iterFor(Sk.abstr.iter(b),b=>Sk.misceval.chain(a.mp$subscript(b,!0),a=>{this.set$item(b,a)})))},dict$merge_seq:function(a){let b=0;return Sk.misceval.iterFor(Sk.abstr.iter(a),a=>{if(!Sk.builtin.checkIterable(a))throw new Sk.builtin.TypeError("cannot convert dictionary update sequence element #"+b+" to a sequence");a=Sk.misceval.arrayFromIterable(a);if(2!==a.length)throw new Sk.builtin.ValueError("dictionary update sequence element #"+
 b+" has length "+a.length+"; 2 is required");this.set$item(a[0],a[1]);b++})}}});const h={tp$getattr:Sk.generic.getAttr,tp$as_number:!0,tp$as_sequence_or_mapping:!0,tp$hash:Sk.builtin.none.none$,$r(){if(this.in$repr)return new Sk.builtin.str("...");this.in$repr=!0;let a=Sk.misceval.arrayFromIterable(this);a=a.map(a=>Sk.misceval.objectRepr(a));this.in$repr=!1;return new Sk.builtin.str(Sk.abstr.typeName(this)+"(["+a.join(", ")+"])")},tp$richcompare(a,c){if(!(Sk.builtin.checkAnySet(a)||a instanceof d||
 a instanceof n))return Sk.builtin.NotImplemented.NotImplemented$;const e=this.sq$length(),f=a.sq$length();switch(c){case "NotEq":case "Eq":let d;this===a?d=!0:e===f&&(d=b(this,a));return"NotEq"===c?!d:d;case "Lt":return e<f&&b(this,a);case "LtE":return e<=f&&b(this,a);case "Gt":return e>f&&b(a,this);case "GtE":return e>=f&&b(a,this)}},nb$subtract(a){const b=c(this);return b.difference.$meth.call(b,a)},nb$and(a){const b=c(this);return b.intersection.$meth.call(b,a)},nb$or(a){const b=c(this);return b.union.$meth.call(b,
 a)},nb$xor(a){const b=c(this);return b.symmetric_difference.$meth.call(b,a)},sq$length(){return this.dict.get$size()}};var d=e("dict_keys",{sq$contains(a){return void 0!==this.dict.mp$lookup(a)},tp$iter(){return new k(this.dict)}},function(){return new A(this.dict)}),g=e("dict_values",{tp$iter(){return new w(this.dict)}},function(){return new y(this.dict)}),n=e("dict_items",{sq$contains(a){if(!(a instanceof Sk.builtin.tuple&&2===a.sq$length()))return!1;var b=a.mp$subscript(new Sk.builtin.int_(0));
 a=a.mp$subscript(new Sk.builtin.int_(1));b=this.dict.mp$lookup(b);return void 0===b?!1:b===a||Sk.misceval.richCompareBool(b,a,"Eq")},tp$iter(){return new p(this.dict)}},function(){return new t(this.dict)}),k=f("dict_keyiterator",function(){const a=this.next$item();return a&&a[0]}),p=f("dict_itemiterator",function(){const a=this.next$item();return a&&new Sk.builtin.tuple([a[0],a[1]])}),w=f("dict_valueiterator",function(){const a=this.next$item();return a&&a[1]}),A=f("dict_reversekeyiterator",k.prototype.tp$iternext,
 !0),t=f("dict_reverseitemiterator",p.prototype.tp$iternext,!0),y=f("dict_reversevalueiterator",w.prototype.tp$iternext,!0);Sk.builtin.dict.py2$methods={has_key:{$name:"has_key",$flags:{OneArg:!0},$meth(a){return new Sk.builtin.bool(this.sq$contains(a))},$doc:"D.has_key(k) -> True if D has a key k, else False"},keys:{$name:"keys",$meth(){return new Sk.builtin.list(this.sk$asarray())},$flags:{NoArgs:!0},$textsig:null,$doc:"D.keys() -> a set-like object providing a view on D's keys"},items:{$name:"items",
 $meth(){return new Sk.builtin.list(this.$items().map(([a,b])=>new Sk.builtin.tuple([a,b])))},$flags:{NoArgs:!0},$textsig:null,$doc:"D.items() -> a set-like object providing a view on D's items"},values:{$name:"values",$meth(){return new Sk.builtin.list(this.$items().map(([,a])=>a))},$flags:{NoArgs:!0},$textsig:null,$doc:"D.values() -> an object providing a view on D's values"}}},function(m,q){function a(a,b){Object.defineProperties(a,{entries:{get:()=>{const a=Object.create(null);Object.entries(b).forEach(([b,
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 tp$as_sequence_or_mapping:!0,tp$hash:Sk.builtin.none.none$,tp$new(a,b){Sk.abstr.checkNoKwargs("mappingproxy",b);Sk.abstr.checkOneArg("mappingproxy",a,b);a=a[0];if(!Sk.builtin.checkMapping(a))throw new Sk.builtin.TypeError("mappingproxy() argument must be a mapping, not "+Sk.abstr.typeName(a));b=new Sk.builtin.mappingproxy;b.mapping=a;return b},tp$richcompare(a,b){return Sk.misceval.richCompareBool(this.mapping,a,b)},tp$str(){return this.mapping.tp$str()},$r(){return new Sk.builtin.str("mappingproxy("+
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 Sk.abstr.typeName(this)+"; use '|' instead");}},methods:{get:{$meth(a,b){return Sk.misceval.callsimArray(this.mapping.tp$getattr(this.str$get),a,b)},$flags:{FastCall:!0},$textsig:null,$doc:"D.get(k[,d]) -> D[k] if k in D, else d.  d defaults to None."},keys:{$meth(){return Sk.misceval.callsimArray(this.mapping.tp$getattr(this.str$keys),[])},$flags:{NoArgs:!0},$textsig:null,$doc:"D.keys() -> a set-like object providing a view on D's keys"},items:{$meth(){return Sk.misceval.callsimArray(this.mapping.tp$getattr(this.str$items),
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 str$copy:new Sk.builtin.str("copy"),str$keys:new Sk.builtin.str("keys"),str$items:new Sk.builtin.str("items"),str$values:new Sk.builtin.str("values"),mp$lookup(a){return this.mapping.mp$lookup(a)}},flags:{sk$acceptable_as_base_class:!1}})},function(m,q){Sk.builtin.property=Sk.abstr.buildNativeClass("property",{constructor:function(a,c,b,e){this.prop$get=a||Sk.builtin.none.none$;this.prop$set=c||Sk.builtin.none.none$;this.prop$del=b||Sk.builtin.none.none$;this.prop$doc=e||a&&a.$doc||Sk.builtin.none.none$},
 slots:{tp$getattr:Sk.generic.getAttr,tp$new:Sk.generic.new,tp$init(a,c){a=Sk.abstr.copyKeywordsToNamedArgs("property",["fget","fset","fdel","doc"],a,c,Array(4).fill(Sk.builtin.none.none$));this.prop$get=a[0];this.prop$set=a[1];this.prop$del=a[2];Sk.builtin.checkNone(a[3])?Sk.builtin.checkNone(a[0])||(this.prop$doc=a[0].$doc||a[3]):this.prop$doc=a[3]},tp$doc:"Property attribute.\n\n  fget\n    function to be used for getting an attribute value\n  fset\n    function to be used for setting an attribute value\n  fdel\n    function to be used for del'ing an attribute\n  doc\n    docstring\n\nTypical use is to define a managed attribute x:\n\nclass C(object):\n    def getx(self): return self._x\n    def setx(self, value): self._x = value\n    def delx(self): del self._x\n    x = property(getx, setx, delx, 'I'm the 'x' property.')\n\nDecorators make defining new properties or modifying existing ones easy:\n\nclass C(object):\n    @property\n    def x(self):\n        'I am the 'x' property.'\n        return self._x\n    @x.setter\n    def x(self, value):\n        self._x = value\n    @x.deleter\n    def x(self):\n        del self._x",
 tp$descr_get(a,c){if(null===a)return this;if(void 0===this.prop$get)throw new Sk.builtin.AttributeError("unreadable attribute");return Sk.misceval.callsimOrSuspendArray(this.prop$get,[a])},tp$descr_set(a,c){let b;b=null==c?this.prop$del:this.prop$set;if(Sk.builtin.checkNone(b))throw new Sk.builtin.AttributeError("can't "+(null==c?"delete":"set")+" attribute");if(!b.tp$call)throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(b)+"' is not callable");return null==c?b.tp$call([a]):b.tp$call([a,c])}},
 methods:{getter:{$meth(a){return new Sk.builtin.property(a,this.prop$set,this.prop$del,this.prop$doc)},$flags:{OneArg:!0}},setter:{$meth(a){return new Sk.builtin.property(this.prop$get,a,this.prop$del,this.prop$doc)},$flags:{OneArg:!0}},deleter:{$meth(a){return new Sk.builtin.property(this.prop$get,this.prop$set,a,this.prop$doc)},$flags:{OneArg:!0}}},getsets:{fget:{$get(){return this.prop$get}},fset:{$get(){return this.prop$set}},fdel:{$get(){return this.prop$del}},__doc__:{$get(){return this.prop$doc},
 $set(a){this.prop$doc=a=a||Sk.builtin.none.none$}}}});Sk.builtin.classmethod=Sk.abstr.buildNativeClass("classmethod",{constructor:function(a){this.cm$callable=a;this.$d=new Sk.builtin.dict},slots:{tp$getattr:Sk.generic.getAttr,tp$new:Sk.generic.new,tp$init(a,c){Sk.abstr.checkNoKwargs("classmethod",c);Sk.abstr.checkArgsLen("classmethod",a,1,1);this.cm$callable=a[0]},tp$doc:"classmethod(function) -> method\n\nConvert a function to be a class method.\n\nA class method receives the class as implicit first argument,\njust like an instance method receives the instance.\nTo declare a class method, use this idiom:\n\n  class C:\n      @classmethod\n      def f(cls, arg1, arg2, ...):\n          ...\n\nIt can be called either on the class (e.g. C.f()) or on an instance\n(e.g. C().f()).  The instance is ignored except for its class.\nIf a class method is called for a derived class, the derived class\nobject is passed as the implied first argument.\n\nClass methods are different than C++ or Java static methods.\nIf you want those, see the staticmethod builtin.",
 tp$descr_get(a,c){const b=this.cm$callable;if(void 0===b)throw new Sk.builtin.RuntimeError("uninitialized classmethod object");void 0===c&&(c=a.ob$type);return(a=b.tp$descr_get)?a.call(b,c):new Sk.builtin.method(b,c)}},getsets:{__func__:{$get(){return this.cm$callable}},__dict__:Sk.generic.getSetDict}});Sk.builtin.staticmethod=Sk.abstr.buildNativeClass("staticmethod",{constructor:function(a){this.sm$callable=a;this.$d=new Sk.builtin.dict},slots:{tp$getattr:Sk.generic.getAttr,tp$new:Sk.generic.new,
 tp$init(a,c){Sk.abstr.checkNoKwargs("staticmethod",c);Sk.abstr.checkArgsLen("staticmethod",a,1,1);this.sm$callable=a[0]},tp$doc:"staticmethod(function) -> method\n\nConvert a function to be a static method.\n\nA static method does not receive an implicit first argument.\nTo declare a static method, use this idiom:\n\n     class C:\n         @staticmethod\n         def f(arg1, arg2, ...):\n             ...\n\nIt can be called either on the class (e.g. C.f()) or on an instance\n(e.g. C().f()).  The instance is ignored except for its class.\n\nStatic methods in Python are similar to those found in Java or C++.\nFor a more advanced concept, see the classmethod builtin.",
 tp$descr_get(a,c){if(void 0===this.sm$callable)throw new Sk.builtin.RuntimeError("uninitialized staticmethod object");return this.sm$callable}},getsets:{__func__:{$get(){return this.sm$callable}},__dict__:Sk.generic.getSetDict}})},function(m,q){function a(a,b){return function(c){if(c instanceof Sk.builtin.int_){let e=this.v;c=c.v;if("number"===typeof e&&"number"===typeof c){const b=a(e,c);if(d(b))return new Sk.builtin.int_(b)}e=n(e);c=n(c);return new Sk.builtin.int_(b(e,c))}return Sk.builtin.NotImplemented.NotImplemented$}}
 function c(a,b){return function(c){if(c instanceof Sk.builtin.int_){let d=this.v;c=c.v;if("number"===typeof d&&"number"===typeof c)return a(d,c);d=n(d);c=n(c);return b(d,c)}return Sk.builtin.NotImplemented.NotImplemented$}}function b(a,b){return function(){const c=this.v;return"number"===typeof c?new Sk.builtin.int_(a(c)):new Sk.builtin.int_(b(c))}}function e(){return new Sk.builtin.int_(this.v)}function f(a,b){return function(c){if(c instanceof Sk.builtin.int_){let d=this.v;c=c.v;if(0===c)throw new Sk.builtin.ZeroDivisionError("integer division or modulo by zero");
 if("number"===typeof d&&"number"===typeof c)return new Sk.builtin.int_(a(d,c));d=n(d);c=n(c);return new Sk.builtin.int_(JSBI.numberIfSafe(b(d,c)))}return Sk.builtin.NotImplemented.NotImplemented$}}function l(a,b){return function(c){if(c instanceof Sk.builtin.int_){let d=this.v;c=c.v;if(0===d)return new Sk.builtin.int_(this.v);if("number"===typeof c){if(0>c)throw new Sk.builtin.ValueError("negative shift count");if("number"===typeof d){const b=a(d,c);if(void 0!==b)return new Sk.builtin.int_(b)}c=JSBI.BigInt(c)}else if(JSBI.lessThan(JSBI.BigInt(0)))throw new Sk.builtin.ValueError("negative shift count");
 d=n(d);return new Sk.builtin.int_(b(d,c))}return Sk.builtin.NotImplemented.NotImplemented$}}function h(a,b){return function(c){if(c instanceof Sk.builtin.int_){var d=this.v;c=c.v;if("number"===typeof d&&"number"===typeof c)return d=a(d,c),0>d&&(d+=4294967296),new Sk.builtin.int_(d);d=n(d);c=n(c);return new Sk.builtin.int_(JSBI.numberIfSafe(b(d,c)))}return Sk.builtin.NotImplemented.NotImplemented$}}function d(a){return a<=Number.MAX_SAFE_INTEGER&&a>=-Number.MAX_SAFE_INTEGER}function g(a){return a<=
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 tp$doc:"int(x=0) -> integer\nint(x, base=10) -> integer\n\nConvert a number or string to an integer, or return 0 if no arguments\nare given.  If x is a number, return x.__int__().  For floating point\nnumbers, this truncates towards zero.\n\nIf x is not a number or if base is given, then x must be a string,\nbytes, or bytearray instance representing an integer literal in the\ngiven base.  The literal can be preceded by '+' or '-' and be surrounded\nby whitespace.  The base defaults to 10.  Valid bases are 0 and 2-36.\nBase 0 means to interpret the base from the string as an integer literal.\n>>> int('0b100', base=0)\n4",
 $r(){return new Sk.builtin.str(this.v.toString())},tp$hash(){const a=this.v;return"number"===typeof a?a:JSBI.toNumber(JSBI.remainder(a,JSBI.__MAX_SAFE))},tp$new(a,b){1===a.length+(b?b.length:0)?(b=a[0],a=Sk.builtin.none.none$):(a=Sk.abstr.copyKeywordsToNamedArgs("int",[null,"base"],a,b,[new Sk.builtin.int_(0),Sk.builtin.none.none$]),b=a[0],a=a[1]);a=a!==Sk.builtin.none.none$?Sk.misceval.asIndexOrThrow(a):null;if(b instanceof Sk.builtin.str)null===a&&(a=10),b=new Sk.builtin.int_(Sk.str2number(b.v,
 a));else{if(null!==a)throw new Sk.builtin.TypeError("int() can't convert non-string with explicit base");if(b.nb$int)b=b.nb$int();else if(a=Sk.abstr.lookupSpecial(b,Sk.builtin.str.$trunc)){a=Sk.misceval.callsimArray(a,[]);if(!Sk.builtin.checkInt(a))throw new Sk.builtin.TypeError(Sk.builtin.str.$trunc.$jsstr()+" returned non-Integral (type "+Sk.abstr.typeName(b)+")");b=new Sk.builtin.int_(a.v)}else throw new Sk.builtin.TypeError("int() argument must be a string, a bytes-like object or a number, not '"+
 Sk.abstr.typeName(b)+"'");}if(this===Sk.builtin.int_.prototype)return b;a=new this.constructor;a.v=b.v;return a},tp$getattr:Sk.generic.getAttr,ob$eq:c((a,b)=>a==b,JSBI.equal),ob$ne:c((a,b)=>a!=b,JSBI.notEqual),ob$gt:c((a,b)=>a>b,JSBI.greaterThan),ob$ge:c((a,b)=>a>=b,JSBI.greaterThanOrEqual),ob$lt:c((a,b)=>a<b,JSBI.lessThan),ob$le:c((a,b)=>a<=b,JSBI.lessThanOrEqual),nb$int:e,nb$index(){return this.v},nb$float(){var a=this.v;if("number"===typeof a)return new Sk.builtin.float_(a);a=parseFloat(JSBI.toNumber(a));
 if(Infinity===a||-Infinity===a)throw new Sk.builtin.OverflowError("int too large to convert to float");return new Sk.builtin.float_(a)},nb$isnegative(){const a=this.v;return"number"===typeof a?0>a:JSBI.lessThan(a,JSBI.__ZERO)},nb$ispositive(){const a=this.v;return"number"===typeof a?0>a:JSBI.greaterThanOrEqual(a,JSBI.__ZERO)},nb$bool(){return 0!==this.v},nb$positive:e,nb$negative:b(a=>-a,JSBI.unaryMinus),nb$add:a((a,b)=>a+b,(a,b)=>JSBI.numberIfSafe(JSBI.add(a,b))),nb$subtract:a((a,b)=>a-b,(a,b)=>
 JSBI.numberIfSafe(JSBI.subtract(a,b))),nb$multiply:a((a,b)=>a*b,JSBI.multiply),nb$divide(a){return Sk.__future__.division?this.nb$float().nb$divide(a):this.nb$floor_divide(a)},nb$floor_divide:f((a,b)=>Math.floor(a/b),JSBI.divide),nb$remainder:f((a,b)=>a-Math.floor(a/b)*b,JSBI.remainder),nb$divmod(a){const b=this.nb$floor_divide(a);a=this.nb$remainder(a);return b===Sk.builtin.NotImplemented.NotImplemented$||a===Sk.builtin.NotImplemented.NotImplemented$?Sk.builtin.NotImplemented.NotImplemented$:new Sk.builtin.tuple([b,
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 case "E":e=!0;b="e";break;case "F":e=!0;b="f";break;case "r":if(0!==c)throw Error("Bad internall call");c=17;b="g";break;default:throw Error("Bad internall call");}if(isNaN(a))a="nan";else if(Infinity===a)a="inf";else if(-Infinity===a)a="-inf";else{d&h.Py_DTSF_ADD_DOT_0&&(b="g");var f="%"+(d&h.Py_DTSF_ALT?"#":"");null!=c&&(f=f+"."+c);f=new Sk.builtin.str(f+b);a=f.nb$remainder(new Sk.builtin.float_(a));a=a.v}d&h.Py_DTSF_SIGN&&"-"!==a[0]&&(a="+"+a);e&&(a=a.toUpperCase());return a}Sk.builtin.complex=
 Sk.abstr.buildNativeClass("complex",{constructor:function(a,b){Sk.asserts.assert(this instanceof Sk.builtin.complex,"bad call to complex constructor, use 'new'");this.real=a;this.imag=b},slots:{tp$as_number:!0,tp$doc:"Create a complex number from a real part and an optional imaginary part.\n\nThis is equivalent to (real + imag*1j) where imag defaults to 0.",tp$hash(){var a=(new Sk.builtin.float_(this.real)).tp$hash();a=1003*(new Sk.builtin.float_(this.imag)).tp$hash()+a;return Sk.builtin.int_.withinThreshold(a)?
 a:(new Sk.builtin.int_(JSBI.BigInt(a))).tp$hash()},tp$getattr:Sk.generic.getAttr,tp$new(b,e){b=Sk.abstr.copyKeywordsToNamedArgs("complex",["real","imag"],b,e,[null,null]);{var f=b[1],g;let k=e=!1;var h=b[0];if(null!=h&&h.constructor===Sk.builtin.complex&&null==f)e=h;else if(Sk.builtin.checkString(h)){if(null!=f)throw new Sk.builtin.TypeError("complex() can't take second arg if first is a string");e=Sk.builtin.complex.complex_subtype_from_string(h,this)}else{if(null!=f&&Sk.builtin.checkString(f))throw new Sk.builtin.TypeError("complex() second arg can't be a string");
 null==h?b=null:(b=Sk.abstr.lookupSpecial(h,Sk.builtin.str.$complex),b=void 0!==b?Sk.misceval.callsimArray(b,[]):null);if(null!=b&&b!==Sk.builtin.NotImplemented.NotImplemented$){if(!d(b))throw new Sk.builtin.TypeError("__complex__ should return a complex object");h=b}if(null!=h&&void 0===h.nb$float)throw new Sk.builtin.TypeError("complex() first argument must be a string or a number, not '"+Sk.abstr.typeName(h)+"'");if(null!=f&&void 0===f.nb$float)throw new Sk.builtin.TypeError("complex() second argument must be a number, not '"+
 Sk.abstr.typeName(h)+"'");null==h?h=b=0:d(h)?(b=h.real,h=h.imag,e=!0):(b=a(h),h=0);null==f?f=g=0:d(f)?(g=f.real,f=f.imag,k=!0):(g=a(f),f=0);!0===k&&(b-=f);!0===e&&(g+=h);e=c(b,g,this)}}return e},tp$richcompare(a,c){if("Eq"!==c&&"NotEq"!==c){if(Sk.builtin.checkNumber(a)||d(a))throw new Sk.builtin.TypeError("no ordering relation is defined for complex numbers");return Sk.builtin.NotImplemented.NotImplemented$}return b(function(a,b,d,e){a=a==d&&b==e;return"Eq"===c?a:!a},!0).call(this,a)},$r(){{var a,
 b;let e=a="";var c=this.real;var d=this.imag;if(b=0===c)b=1==(c?0>c?-1:1:0>1/c?-1:1);b?(c="",b=h(d,"g",null,0,null)):(c=a=h(c,"g",null,0,null),b=h(d,"g",null,h.Py_DTSF_SIGN,null),0===d&&-Infinity===1/d&&b&&"-"!==b[0]&&(b="-"+b),a="(",e=")");d=new Sk.builtin.str(""+a+c+b+"j"+e)}return d},nb$int(){throw new Sk.builtin.TypeError("can't convert complex to int");},nb$long(){throw new Sk.builtin.TypeError("can't convert complex to long");},nb$float(){throw new Sk.builtin.TypeError("can't convert complex to float");
 },nb$positive(){return new Sk.builtin.complex(this.real,this.imag)},nb$negative(){return new Sk.builtin.complex(-this.real,-this.imag)},nb$bool(){return this.real||this.imag},nb$add:b((a,b,c,d)=>new Sk.builtin.complex(a+c,b+d)),nb$subtract:b((a,b,c,d)=>new Sk.builtin.complex(a-c,b-d)),nb$reflected_subtract:b((a,b,c,d)=>new Sk.builtin.complex(c-a,d-b)),nb$multiply:b((a,b,c,d)=>new Sk.builtin.complex(c*a-d*b,a*d+b*c)),nb$divide:b(e),nb$reflected_divide:b((a,b,c,d)=>e(c,d,a,b)),nb$floor_divide(a){throw new Sk.builtin.TypeError("can't take floor of complex number.");
 },nb$reflected_floor_divide(a){throw new Sk.builtin.TypeError("can't take floor of complex number.");},nb$remainder(a){throw new Sk.builtin.TypeError("can't mod complex numbers.");},nb$reflected_remainder(a){throw new Sk.builtin.TypeError("can't mod complex numbers.");},nb$divmod(a){throw new Sk.builtin.TypeError("can't take floor or mod of complex number.");},nb$power(a,b){if(null!=b&&!Sk.builtin.checkNone(b))throw new Sk.builtin.ValueError("complex modulo");return k.call(this,a)},nb$abs(){var a=
 this.real;const b=this.imag;if(!Number.isFinite(a)||!Number.isFinite(b))return Infinity===a||-Infinity===a?new Sk.builtin.float_(Math.abs(a)):Infinity===b||-Infinity===b?new Sk.builtin.float_(Math.abs(b)):new Sk.builtin.float_(NaN);a=Math.hypot(a,b);if(!Number.isFinite(a))throw new Sk.builtin.OverflowError("absolute value too large");return new Sk.builtin.float_(a)}},getsets:{real:{$get(){return new Sk.builtin.float_(this.real)},$doc:"the real part of a complex number"},imag:{$get(){return new Sk.builtin.float_(this.imag)},
 $doc:"the imaginary part of a complex number"}},methods:{conjugate:{$meth(){return new Sk.builtin.complex(this.real,-this.imag)},$flags:{NoArgs:!0},$textsig:null,$doc:"complex.conjugate() -> complex\n\nReturn the complex conjugate of its argument. (3-4j).conjugate() == 3+4j."},__getnewargs__:{$meth(){return new Sk.builtin.tuple([new Sk.builtin.float_(this.real),new Sk.builtin.float_(this.imag)])},$flags:{NoArgs:!0},$textsig:null,$doc:Sk.builtin.none.none$},__format__:{$meth(a){if(Sk.builtin.checkString(a))throw new Sk.builtin.NotImplementedError("__format__ is not implemented for complex type.");
 throw new Sk.builtin.TypeError("__format__ requires str");},$flags:{OneArg:!0},$textsig:null,$doc:"complex.__format__() -> str\n\nConvert to a string according to format_spec."}}});Sk.exportSymbol("Sk.builtin.complex",Sk.builtin.complex);const d=Sk.builtin.checkComplex,g=/_[eE]|[eE]_|\._|_\.|[+-]_|_j|j_/,n=/_(?=[^_])/g;Sk.builtin.complex.complex_subtype_from_string=function(a,b){b=b||Sk.builtin.complex.prototype;var d=0,e=0,f=!1;if(Sk.builtin.checkString(a))a=Sk.ffi.remapToJs(a);else if("string"!==
 typeof a)throw new TypeError("provided unsupported string-alike argument");if(-1!==a.indexOf("\x00")||0===a.length||""===a)throw new Sk.builtin.ValueError("complex() arg is a malformed string");var h=0;a=a.replace(/inf|infinity/gi,"Infinity");for(a=a.replace(/nan/gi,"NaN");" "===a[h];)h++;if("("===a[h])for(f=!0,h++;" "===a[h];)h++;if(-1!==a.indexOf("_")){if(g.test(a))throw new Sk.builtin.ValueError("could not convert string to complex: '"+a+"'");a=a.charAt(0)+a.substring(1).replace(n,"")}var k=/^(?:[+-]?(?:(?:(?:\d*\.\d+)|(?:\d+\.?))(?:[eE][+-]?\d+)?|NaN|Infinity))/;
 var l=a.substr(h);var p=l.match(k);if(null!==p)if(h+=p[0].length,"j"===a[h]||"J"===a[h])e=parseFloat(p[0]),h++;else if("+"===a[h]||"-"===a[h]){d=parseFloat(p[0]);p=a.substr(h).match(k);null!==p?(e=parseFloat(p[0]),h+=p[0].length):(e="+"===a[h]?1:-1,h++);if("j"!==a[h]&&"J"!==a[h])throw new Sk.builtin.ValueError("complex() arg is malformed string");h++}else d=parseFloat(p[0]);else p=p=l.match(/^([+-]?[jJ])/),null!==p&&(e=1===p[0].length?1:"+"===p[0][0]?1:-1,h+=p[0].length);for(;" "===a[h];)h++;if(f){if(")"!==
 a[h])throw new Sk.builtin.ValueError("complex() arg is malformed string");for(h++;" "===a[h];)h++}if(a.length!==h)throw new Sk.builtin.ValueError("complex() arg is malformed string");return c(d,e,b)};const k=b((a,b,c,d)=>{const g=c|0;return 0===d&&c===g?(100<g||-100>g?a=f(a,b,g,0):0<g?a=l(a,b,g):(a=l(a,b,-g),a=e(1,0,a.real,a.imag)),a):f(a,b,c,d)});h.Py_DTSF_SIGN=1;h.Py_DTSF_ADD_DOT_0=2;h.Py_DTSF_ALT=4;h.Py_DTST_FINITE=0;h.Py_DTST_INFINITE=1;h.Py_DTST_NAN=2},function(m,q){Sk.builtin.slice=Sk.abstr.buildNativeClass("slice",
 {constructor:function(a,c,b){void 0===c&&void 0===b&&(c=a,a=Sk.builtin.none.none$);void 0===c&&(c=Sk.builtin.none.none$);void 0===b&&(b=Sk.builtin.none.none$);this.start=a;this.stop=c;this.step=b},slots:{tp$getattr:Sk.generic.getAttr,tp$doc:"slice(stop)\nslice(start, stop[, step])\n\nCreate a slice object.  This is used for extended slicing (e.g. a[0:10:2]).",tp$hash:Sk.builtin.none.none$,tp$new(a,c){Sk.abstr.checkNoKwargs("slice",c);Sk.abstr.checkArgsLen("slice",a,1,3);return new Sk.builtin.slice(...a)},
 $r(){const a=Sk.misceval.objectRepr(this.start),c=Sk.misceval.objectRepr(this.stop),b=Sk.misceval.objectRepr(this.step);return new Sk.builtin.str("slice("+a+", "+c+", "+b+")")},tp$richcompare(a,c){if(a.ob$type!==Sk.builtin.slice)return Sk.builtin.NotImplemented.NotImplemented$;const b=new Sk.builtin.tuple([this.start,this.stop,this.step]);a=new Sk.builtin.tuple([a.start,a.stop,a.step]);return b.tp$richcompare(a,c)}},getsets:{start:{$get(){return this.start}},step:{$get(){return this.step}},stop:{$get(){return this.stop}}},
 methods:{indices:{$meth:function(a){a=Sk.misceval.asIndexSized(a,Sk.builtin.OverflowError);if(0>a)throw new Sk.builtin.TypeError("length should not be negative");const {start:c,stop:b,step:e}=this.slice$indices(a);return new Sk.builtin.tuple([new Sk.builtin.int_(c),new Sk.builtin.int_(b),new Sk.builtin.int_(e)])},$doc:"S.indices(len) -> (start, stop, stride)\n\nAssuming a sequence of length len, calculate the start and stop\nindices, and the stride length of the extended slice described by\nS. Out of bounds indices are clipped in a manner consistent with the\nhandling of normal slices.",
 $textsig:null,$flags:{OneArg:!0}}},proto:{slice$as_indices(a){let c;var b=a?a=>Sk.misceval.asIndexSized(a,null,"slice indices must be integers or None or have an __index__ method"):a=>Sk.misceval.asIndexOrThrow(a,"slice indices must be integers or None or have an __index__ method");if(Sk.builtin.checkNone(this.step))c=1;else if(c=b(this.step),0===c)throw new Sk.builtin.ValueError("slice step cannot be zero");a=Sk.builtin.checkNone(this.start)?null:b(this.start);b=Sk.builtin.checkNone(this.stop)?null:
 b(this.stop);return{start:a,stop:b,step:c}},$wrt(a,c,b,e,f){f=f?b=>JSBI.__isBigInt(b)?JSBI.add(b,JSBI.BigInt(a)):b+a:b=>b+a;0<e?(null===c?c=0:0>c&&(c=f(c),0>c&&(c=0)),null===b?b=a:b>a?b=a:0>b&&(b=f(b))):(null===c?c=a-1:c>=a?c=a-1:0>c&&(c=f(c)),null===b?b=-1:0>b&&(b=f(b),0>b&&(b=-1)));return{start:c,stop:b,step:e}},slice$indices(a,c){let {start:b,stop:e,step:f}=this.slice$as_indices(!0,c);return this.$wrt(a,b,e,f,c)},sssiter$(a,c){let {start:b,stop:e,step:f}=this.slice$indices(a,!0);if(0<f)for(a=b;a<
 e;a+=f)c(a);else for(a=b;a>e;a+=f)c(a)}},flags:{sk$acceptable_as_base_class:!1}});Sk.builtin.slice.startEnd$wrt=function(a,c,b){a=a.sq$length();void 0===c||Sk.builtin.checkNone(c)?c=0:(c=Sk.misceval.asIndexSized(c,null,"slice indices must be integers or have an __index__ method"),0>c&&(c+=a,0>c&&(c=0)));void 0===b||Sk.builtin.checkNone(b)?b=a:(b=Sk.misceval.asIndexSized(b,null,"slice indices must be integers or have an __index__ method"),0>b?(b+=a,0>b&&(b=0)):b>a&&(b=a));return{start:c,end:b}}},function(m,
 q){function a(a){return function(b){return Sk.builtin.checkAnySet(b)?a.call(this,b):Sk.builtin.NotImplemented.NotImplemented$}}function c(a){a instanceof Sk.builtin.set&&a.tp$hash===Sk.builtin.none.none$&&(a=new Sk.builtin.frozenset(Sk.misceval.arrayFromIterable(a)));return a}m={};Sk.builtin.set=Sk.abstr.buildNativeClass("set",{constructor:function(a){void 0===a?a=[]:Array.isArray(a)||(a=Sk.misceval.arrayFromIterable(a));Sk.asserts.assert(this instanceof Sk.builtin.set,"Bad call to set - must be called with an Array and 'new'");
 const b=[];for(let c=0;c<a.length;c++)b.push(a[c]),b.push(!0);this.v=new Sk.builtin.dict(b);this.in$repr=!1},slots:{tp$getattr:Sk.generic.getAttr,tp$as_number:!0,tp$as_sequence_or_mapping:!0,tp$hash:Sk.builtin.none.none$,tp$doc:"set() -> new empty set object\nset(iterable) -> new set object\n\nBuild an unordered collection of unique elements.",tp$init(a,b){Sk.abstr.checkNoKwargs("set",b);Sk.abstr.checkArgsLen("set",a,0,1);this.set$clear();return(a=a[0])&&this.set$update(a)},tp$new:Sk.generic.new,
 $r(){if(this.in$repr)return new Sk.builtin.str(Sk.abstr.typeName(this)+"(...)");this.in$repr=!0;const a=this.sk$asarray().map(a=>Sk.misceval.objectRepr(a));this.in$repr=!1;return Sk.__future__.python3?0===a.length?new Sk.builtin.str(Sk.abstr.typeName(this)+"()"):this.ob$type!==Sk.builtin.set?new Sk.builtin.str(Sk.abstr.typeName(this)+"({"+a.join(", ")+"})"):new Sk.builtin.str("{"+a.join(", ")+"}"):new Sk.builtin.str(Sk.abstr.typeName(this)+"(["+a.join(", ")+"])")},tp$iter(){return new b(this)},tp$richcompare(a,
 b){if(!Sk.builtin.checkAnySet(a))return Sk.builtin.NotImplemented.NotImplemented$;switch(b){case "NotEq":case "Eq":return a=this===a?!0:this.get$size()!==a.get$size()?!1:Sk.misceval.isTrue(this.set$issubset(a)),"Eq"===b?a:!a;case "LtE":return this===a||Sk.misceval.isTrue(this.set$issubset(a));case "GtE":return this===a||Sk.misceval.isTrue(a.set$issubset(this));case "Lt":return this.get$size()<a.get$size()&&Sk.misceval.isTrue(this.set$issubset(a));case "Gt":return this.get$size()>a.get$size()&&Sk.misceval.isTrue(a.set$issubset(this))}},
 nb$subtract:a(function(a){return this.difference.$meth.call(this,a)}),nb$and:a(function(a){return this.intersection.$meth.call(this,a)}),nb$or:a(function(a){return this.union.$meth.call(this,a)}),nb$xor:a(function(a){return this.symmetric_difference.$meth.call(this,a)}),nb$inplace_subtract:a(function(a){a===this&&(a=a.set$copy());return Sk.misceval.chain(this.difference_update.$meth.call(this,a),()=>this)}),nb$inplace_and:a(function(a){return Sk.misceval.chain(this.intersection_update.$meth.call(this,
 a),()=>this)}),nb$inplace_or:a(function(a){return Sk.misceval.chain(this.update.$meth.call(this,a),()=>this)}),nb$inplace_xor:a(function(a){a===this&&(a=a.set$copy());return Sk.misceval.chain(this.symmetric_difference_update.$meth.call(this,a),()=>this)}),sq$length(){return this.get$size()},sq$contains(a){a=c(a);return this.v.sq$contains(a)}},methods:{add:{$meth(a){this.set$add(a);return Sk.builtin.none.none$},$flags:{OneArg:!0},$textsig:null,$doc:"Add an element to a set.\n\nThis has no effect if the element is already present."},
 clear:{$meth(){this.set$clear();return Sk.builtin.none.none$},$flags:{NoArgs:!0},$textsig:null,$doc:"Remove all elements from this set."},copy:{$meth(){return this.set$copy()},$flags:{NoArgs:!0},$textsig:null,$doc:"Return a shallow copy of a set."},discard:{$meth(a){a=c(a);this.set$discard(a);return Sk.builtin.none.none$},$flags:{OneArg:!0},$textsig:null,$doc:"Remove an element from a set if it is a member.\n\nIf the element is not a member, do nothing."},difference:{$meth(...a){const b=this.set$copy();
 return Sk.misceval.chain(Sk.misceval.iterArray(a,a=>b.set$difference_update(a)),()=>b)},$flags:{MinArgs:0},$textsig:null,$doc:"Return the difference of two or more sets as a new set.\n\n(i.e. all elements that are in this set but not the others.)"},difference_update:{$meth(...a){return Sk.misceval.chain(Sk.misceval.iterArray(a,a=>this.set$difference_update(a)),()=>Sk.builtin.none.none$)},$flags:{MinArgs:0},$textsig:null,$doc:"Remove all elements of another set from this set."},intersection:{$meth(...a){return this.set$intersection_multi(...a)},
 $flags:{MinArgs:0},$textsig:null,$doc:"Return the intersection of two sets as a new set.\n\n(i.e. all elements that are in both sets.)"},intersection_update:{$meth(...a){return Sk.misceval.chain(this.set$intersection_multi(...a),a=>{this.swap$bodies(a);return Sk.builtin.none.none$})},$flags:{MinArgs:0},$textsig:null,$doc:"Update a set with the intersection of itself and another."},isdisjoint:{$meth(a){return Sk.misceval.chain(Sk.misceval.iterFor(Sk.abstr.iter(a),a=>{if(this.sq$contains(a))return new Sk.misceval.Break(Sk.builtin.bool.false$)}),
 a=>a||Sk.builtin.bool.true$)},$flags:{OneArg:!0},$textsig:null,$doc:"Return True if two sets have a null intersection."},issubset:{$meth(a){Sk.builtin.checkAnySet(a)||(a=this.set$make_basetype(a));return Sk.misceval.chain(a,a=>this.set$issubset(a))},$flags:{OneArg:!0},$textsig:null,$doc:"Report whether another set contains this set."},issuperset:{$meth(a){Sk.builtin.checkAnySet(a)||(a=this.set$make_basetype(a));return Sk.misceval.chain(a,a=>a.set$issubset(this))},$flags:{OneArg:!0},$textsig:null,
 $doc:"Report whether this set contains another set."},pop:{$meth(){if(0===this.get$size())throw new Sk.builtin.KeyError("pop from an empty set");return Sk.misceval.callsimArray(this.v.popitem,[this.v]).v[0]},$flags:{NoArgs:!0},$textsig:null,$doc:"Remove and return an arbitrary set element.\nRaises KeyError if the set is empty."},remove:{$meth(a){const b=c(a);if(this.v.mp$lookup(b))return this.v.mp$ass_subscript(b),Sk.builtin.none.none$;throw new Sk.builtin.KeyError(a);},$flags:{OneArg:!0},$textsig:null,
 $doc:"Remove an element from a set; it must be a member.\n\nIf the element is not a member, raise a KeyError."},symmetric_difference:{$meth(a){let b;return Sk.misceval.chain(this.set$make_basetype(a),a=>{b=a;return b.set$symmetric_diff_update(this)},()=>b)},$flags:{OneArg:!0},$textsig:null,$doc:"Return the symmetric difference of two sets as a new set.\n\n(i.e. all elements that are in exactly one of the sets.)"},symmetric_difference_update:{$meth(a){Sk.builtin.checkAnySet(a)||(a=this.set$make_basetype(a));
 return Sk.misceval.chain(a,a=>this.set$symmetric_diff_update(a),()=>Sk.builtin.none.none$)},$flags:{OneArg:!0},$textsig:null,$doc:"Update a set with the symmetric difference of itself and another."},union:{$meth(...a){const b=this.set$copy();return Sk.misceval.chain(Sk.misceval.iterArray(a,a=>b.set$update(a)),()=>b)},$flags:{MinArgs:0},$textsig:null,$doc:"Return the union of sets as a new set.\n\n(i.e. all elements that are in either set.)"},update:{$meth(...a){return Sk.misceval.chain(Sk.misceval.iterArray(a,
 a=>this.set$update(a)),()=>Sk.builtin.none.none$)},$flags:{MinArgs:0},$textsig:null,$doc:"Update a set with the union of itself and others."}},proto:Object.assign(m,{sk$asarray(){return this.v.sk$asarray()},get$size(){return this.v.sq$length()},set$add(a){this.v.mp$ass_subscript(a,!0)},set$make_basetype(a){return Sk.misceval.chain(Sk.misceval.arrayFromIterable(a,!0),a=>new this.sk$builtinBase(a))},set$discard(a){return this.v.pop$item(a)},set$clear(){this.v=new Sk.builtin.dict([])},set$copy(){const a=
 new this.sk$builtinBase;a.v=this.v.dict$copy();return a},set$difference_update(a){return Sk.misceval.iterFor(Sk.abstr.iter(a),a=>{this.set$discard(a)})},set$intersection(a){const b=new this.sk$builtinBase;return Sk.misceval.chain(Sk.misceval.iterFor(Sk.abstr.iter(a),a=>{this.sq$contains(a)&&b.set$add(a)}),()=>b)},set$intersection_multi(...a){if(!a.length)return this.set$copy();let b=this;return Sk.misceval.chain(Sk.misceval.iterArray(a,a=>Sk.misceval.chain(b.set$intersection(a),a=>{b=a})),()=>b)},
 set$issubset(a){const b=this.get$size(),c=a.get$size();if(b>c)return Sk.builtin.bool.false$;for(let b=this.tp$iter(),c=b.tp$iternext();void 0!==c;c=b.tp$iternext())if(!a.sq$contains(c))return Sk.builtin.bool.false$;return Sk.builtin.bool.true$},set$symmetric_diff_update(a){return Sk.misceval.iterFor(Sk.abstr.iter(a),a=>{void 0===this.set$discard(a)&&this.set$add(a)})},set$update(a){return Sk.misceval.iterFor(Sk.abstr.iter(a),a=>{this.set$add(a)})},swap$bodies(a){this.v=a.v}})});Sk.exportSymbol("Sk.builtin.set",
 Sk.builtin.set);q=Sk.builtin.set.prototype;Sk.builtin.frozenset=Sk.abstr.buildNativeClass("frozenset",{constructor:function(a){void 0===a&&(a=[]);Sk.asserts.assert(Array.isArray(a)&&this instanceof Sk.builtin.frozenset,"bad call to frozen set - must be called with an Array and 'new'");const b=[];for(let c=0;c<a.length;c++)b.push(a[c]),b.push(!0);this.v=new Sk.builtin.dict(b);this.in$repr=!1},slots:{tp$getattr:Sk.generic.getAttr,tp$as_number:!0,tp$as_sequence_or_mapping:!0,tp$doc:"frozenset() -> empty frozenset object\nfrozenset(iterable) -> frozenset object\n\nBuild an immutable unordered collection of unique elements.",
 tp$hash(){let a=1927868237;const b=this.sk$asarray();a*=b.length+1;for(let c=0;c<b.length;c++){const e=Sk.abstr.objectHash(b[c]);a^=3644798167*(e^e<<16^89869747)}return 69069*a+907133923},tp$new(a,b){if(this!==Sk.builtin.frozenset.prototype)return this.$subtype_new(a,b);Sk.abstr.checkNoKwargs("frozenset",b);Sk.abstr.checkArgsLen("frozenset",a,0,1);a=a[0];return void 0!==a&&a.ob$type===Sk.builtin.frozenset?a:Sk.misceval.chain(Sk.misceval.arrayFromIterable(a,!0),a=>a.length?new Sk.builtin.frozenset(a):
 Sk.builtin.frozenset.$emptyset)},$r:q.$r,tp$iter:q.tp$iter,tp$richcompare:q.tp$richcompare,nb$subtract:q.nb$subtract,nb$and:q.nb$and,nb$or:q.nb$or,nb$xor:q.nb$xor,sq$length:q.sq$length,sq$contains:q.sq$contains},methods:{copy:Object.assign({},q.copy.d$def,{$meth(){return this.constructor===this.sk$builtinBase?this:new Sk.builtin.frozenset(this.sk$asarray())}}),difference:q.difference.d$def,intersection:q.intersection.d$def,isdisjoint:q.isdisjoint.d$def,issubset:q.issubset.d$def,issuperset:q.issuperset.d$def,
 symmetric_difference:q.symmetric_difference.d$def,union:q.union.d$def},proto:Object.assign({$subtype_new(a,b){const c=new this.constructor;return Sk.misceval.chain(Sk.builtin.frozenset.prototype.tp$new(a),a=>{c.v=a.v;return c})}},m)});Sk.builtin.frozenset.$emptyset=Object.create(Sk.builtin.frozenset.prototype,{v:{value:new Sk.builtin.dict([]),enumerable:!0},in$repr:{value:!1,enumerable:!0}});Sk.exportSymbol("Sk.builtin.frozenset",Sk.builtin.frozenset);var b=Sk.abstr.buildIteratorClass("set_iterator",
 {constructor:function(a){this.$index=0;this.$seq=a.sk$asarray();this.$orig=a},iternext:Sk.generic.iterNextWithArrayCheckSize,methods:{__length_hint__:Sk.generic.iterLengthHintWithArrayMethodDef},flags:{sk$acceptable_as_base_class:!1}})},function(m,q){Sk.builtin.print=function(a,c){let [b,e,f]=Sk.abstr.copyKeywordsToNamedArgs("print",["sep","end","file","flush"],[],c);if(void 0===b||Sk.builtin.checkNone(b))b=" ";else if(Sk.builtin.checkString(b))b=b.$jsstr();else throw new Sk.builtin.TypeError("sep must be None or a string, not "+
 Sk.abstr.typeName(b));if(void 0===e||Sk.builtin.checkNone(e))e="\n";else if(Sk.builtin.checkString(e))e=e.$jsstr();else throw new Sk.builtin.TypeError("end must be None or a string, not "+Sk.abstr.typeName(e));let l;if(void 0!==f&&!Sk.builtin.checkNone(f)&&(l=Sk.abstr.lookupSpecial(f,Sk.builtin.str.$write),void 0===l))throw new Sk.builtin.AttributeError("'"+Sk.abstr.typeName(f)+"' object has no attribute 'write'");const h=new Sk.builtin.str(a.map(a=>(new Sk.builtin.str(a)).toString()).join(b)+e);
 if(void 0!==l)Sk.misceval.callsimArray(l,[h]);else return Sk.misceval.chain(Sk.importModule("sys",!1,!0),a=>(l=Sk.abstr.lookupSpecial(a.$d.stdout,Sk.builtin.str.$write))&&Sk.misceval.callsimOrSuspendArray(l,[h]))};Sk.builtin.print.co_fastcall=1},function(m,q){Sk.builtin.module=Sk.abstr.buildNativeClass("module",{constructor:function(){this.$d={}},slots:{tp$doc:"Create a module object.\n\nThe name must be a string; the optional doc argument can have any type.",tp$getattr(a,c){var b=this.$d[a.$mangled];
 if(void 0!==b)return b;b=this.ob$type.$typeLookup(a);if(void 0!==b){const a=b.tp$descr_get;return a?a.call(b,this,this.ob$type,c):b}const e=this.$d.__getattr__;if(void 0!==e)return b=Sk.misceval.tryCatch(()=>Sk.misceval.callsimOrSuspendArray(e,[a]),a=>{if(!(a instanceof Sk.builtin.AttributeError))throw a;}),c?b:Sk.misceval.retryOptionalSuspensionOrThrow(b)},tp$setattr:Sk.generic.setAttr,tp$new:Sk.generic.new,tp$init(a,c){const [b,e]=Sk.abstr.copyKeywordsToNamedArgs("module",["name","doc"],a,c,[Sk.builtin.none.none$]);
 Sk.builtin.pyCheckType("module","string",b);this.init$dict(b,e)},$r(){let a=this.get$name();if(void 0!==a){var c=this.get$mod_reprf();if(void 0!==c)return Sk.misceval.callsimOrSuspendArray(c,[this])}a=void 0===a?"'?'":a;c=this.from$file();c=void 0===c?this.empty_or$loader():c;return new Sk.builtin.str("<module "+a+c+">")}},getsets:{__dict__:{$get(){return new Sk.builtin.mappingproxy(this.$d)}}},methods:{__dir__:{$meth(){const a=this.tp$getattr(Sk.builtin.str.$dict);if(!Sk.builtin.checkMapping(a))throw new Sk.builtin.TypeError("__dict__ is not a dictionary");
 const c=a.mp$lookup(Sk.builtin.str.$dir);return void 0!==c?Sk.misceval.callsimOrSuspendArray(c,[]):new Sk.builtin.list(Sk.misceval.arrayFromIterable(a))},$flags:{NoArgs:!0},$doc:"__dir__() -> list\nspecialized dir() implementation"}},proto:{init$dict(a,c){this.$d.__name__=a;this.$d.__doc__=c;this.$d.__package__=Sk.builtin.none.none$;this.$d.__spec__=Sk.builtin.none.none$;this.$d.__loader__=Sk.builtin.none.none$},sk$attrError(){const a=this.get$name();return void 0===a?"module":"module "+a},get$name(){const a=
 this.tp$getattr(Sk.builtin.str.$name);return a&&Sk.misceval.objectRepr(a)},from$file(){const a=this.tp$getattr(Sk.builtin.str.$file);return a&&" from "+Sk.misceval.objectRepr(a)},empty_or$loader(){if(this.$js&&this.$js.includes("$builtinmodule"))return" (built-in)";const a=this.tp$getattr(Sk.builtin.str.$loader);return void 0===a||Sk.builtin.checkNone(a)?"":" ("+Sk.misceval.objectRepr(a)+")"},get$mod_reprf(){const a=this.tp$getattr(Sk.builtin.str.$loader);return a&&a.tp$getattr(this.str$mod_repr)},
 str$mod_repr:new Sk.builtin.str("module_repr")}});Sk.exportSymbol("Sk.builtin.module",Sk.builtin.module)},function(m,q){Sk.builtin.structseq_types={};Sk.builtin.make_structseq=function(a,c,b,e){const f=a+"."+c,l=[];a=[];for(let c in b)l.push(c),a.push(b[c]);b={};for(let c=0;c<l.length;c++)b[l[c]]={$get(){return this.v[c]},$doc:a[c]};var h=Sk.abstr.buildNativeClass(f,{constructor:function(a){Sk.asserts.assert((Array.isArray(a)||void 0===a)&&this instanceof h);Sk.builtin.tuple.call(this,a)},base:Sk.builtin.tuple,
 slots:{tp$new(a,b){Sk.abstr.checkOneArg(f,a,b);b=[];a=a[0];for(let c=Sk.abstr.iter(a),d=c.tp$iternext();void 0!==d;d=c.tp$iternext())b.push(d);if(b.length!=l.length)throw new Sk.builtin.TypeError(f+"() takes a "+l.length+"-sequence ("+b.length+"-sequence given)");return new h(b)},tp$doc:e?e:Sk.builtin.none.none$,$r(){var a;if(0===this.v.length)return new Sk.builtin.str(f+"()");var b=[];for(a=0;a<this.v.length;++a)b[a]=l[a]+"="+Sk.misceval.objectRepr(this.v[a]);a=b.join(", ");1===this.v.length&&(a+=
 ",");return new Sk.builtin.str(f+"("+a+")")}},methods:{__reduce__:{$meth(){throw new Sk.builtin.NotImplementedError("__reduce__ is not implemented");},$flags:{NoArgs:!0}}},getsets:b,proto:{num_sequence_fields:new Sk.builtin.int_(l.length)}});return h};Sk.exportSymbol("Sk.builtin.make_structseq",Sk.builtin.make_structseq)},function(m,q){Sk.builtin.generator=Sk.abstr.buildIteratorClass("generator",{constructor:function(a,c,b,e,f){var l;if(a){if(!(this instanceof Sk.builtin.generator))throw new TypeError("bad internal call to generator, use 'new'");
 this.func_code=a;this.func_globals=c||null;this.gi$running=!1;this.gi$resumeat=0;this.gi$sentvalue=void 0;this.gi$locals={};this.gi$cells={};if(0<b.length)for(c=0;c<a.co_varnames.length;++c)this.gi$locals[a.co_varnames[c]]=b[c];if(void 0!==f)for(l in f)e[l]=f[l];this.func_closure=e}},slots:{$r(){return new Sk.builtin.str("<generator object "+this.func_code.co_name.v+">")}},iternext(a,c){var b=this;this.gi$running=!0;void 0===c&&(c=Sk.builtin.none.none$);this.gi$sentvalue=c;c=[this];this.func_closure&&
 c.push(this.func_closure);return function l(c){if(c instanceof Sk.misceval.Suspension){if(a)return new Sk.misceval.Suspension(l,c);c=Sk.misceval.retryOptionalSuspensionOrThrow(c)}b.gi$running=!1;Sk.asserts.assert(void 0!==c);if(c!==Sk.builtin.none.none$)return b.gi$resumeat=c[0],c=c[1]}(this.func_code.apply(this.func_globals,c))},methods:{send:{$meth(a){return this.tp$iternext(!0,a)},$flags:{OneArg:!0},$doc:"send(arg) -> send 'arg' into generator,\nreturn next yielded value or raise StopIteration."}}});
 Sk.exportSymbol("Sk.builtin.generator",Sk.builtin.generator);Sk.builtin.makeGenerator=function(a,c){var b,e=new Sk.builtin.generator(null,null,null);e.tp$iternext=a;for(b in c)c.hasOwnProperty(b)&&(e[b]=c[b]);return e};Sk.exportSymbol("Sk.builtin.makeGenerator",Sk.builtin.makeGenerator)},function(m,q){Sk.builtin.file=function(a,c,b){var e;if(!(this instanceof Sk.builtin.file))return new Sk.builtin.file(a,c,b);this.mode=c;this.name=Sk.ffi.remapToJs(a);this.closed=!1;if("/dev/stdout"===this.name)this.data$=
 Sk.builtin.none.none$,this.fileno=1;else if("/dev/stdin"===this.name)this.fileno=0;else if("/dev/stderr"===this.name)this.fileno=2;else{if(Sk.inBrowser)if(this.fileno=10,b=document.getElementById(a.v),null==b)if("w"==c.v||"a"==c.v)this.data$="";else throw new Sk.builtin.IOError("[Errno 2] No such file or directory: '"+a.v+"'");else"textarea"==b.nodeName.toLowerCase()?this.data$=b.value:this.data$=b.textContent;else this.fileno=11,this.data$=Sk.read(a.v);this.lineList=this.data$.split("\n");this.lineList=
 this.lineList.slice(0,-1);for(e in this.lineList)this.lineList[e]+="\n";this.currentLine=0}this.pos$=0;Sk.fileopen&&10<=this.fileno&&Sk.fileopen(this);return this};Sk.abstr.setUpInheritance("file",Sk.builtin.file,Sk.builtin.object);Sk.abstr.setUpBuiltinMro(Sk.builtin.file);Sk.builtin.file.prototype.$r=function(){return new Sk.builtin.str("<"+(this.closed?"closed":"open")+"file '"+this.name+"', mode '"+Sk.ffi.remapToJs(this.mode)+"'>")};Sk.builtin.file.prototype.tp$iter=function(){var a={tp$iter:function(){return a},
 $obj:this,$index:this.currentLine,$lines:this.lineList,tp$iternext:function(){if(!(a.$index>=a.$lines.length))return new Sk.builtin.str(a.$lines[a.$index++])}};return a};Sk.abstr.setUpSlots(Sk.builtin.file);Sk.builtin.file.prototype.__enter__=new Sk.builtin.func(function(a){return a});Sk.builtin.file.prototype.__exit__=new Sk.builtin.func(function(a){return Sk.misceval.callsimArray(Sk.builtin.file.prototype.close,[a])});Sk.builtin.file.prototype.close=new Sk.builtin.func(function(a){a.closed=!0;return Sk.builtin.none.none$});
 Sk.builtin.file.prototype.flush=new Sk.builtin.func(function(a){});Sk.builtin.file.prototype.fileno=new Sk.builtin.func(function(a){return this.fileno});Sk.builtin.file.prototype.isatty=new Sk.builtin.func(function(a){return!1});Sk.builtin.file.prototype.read=new Sk.builtin.func(function(a,c){var b=a.data$.length;if(a.closed)throw new Sk.builtin.ValueError("I/O operation on closed file");var e=void 0===c?b:Sk.ffi.remapToJs(c);e=new Sk.builtin.str(a.data$.substr(a.pos$,e));a.pos$=void 0===c?b:a.pos$+
 Sk.ffi.remapToJs(c);a.pos$>=b&&(a.pos$=b);return e});Sk.builtin.file.$readline=function(a,c,b){if(0===a.fileno){a=Sk.ffi.remapToJs(b);a=Sk.inputfun(a?a:"");if(a instanceof Promise||a&&"function"===typeof a.then){var e=new Sk.misceval.Suspension;e.resume=function(){if(e.data.error)throw e.data.error;return new Sk.builtin.str(e.data.result)};e.data={type:"Sk.promise",promise:a};return e}return new Sk.builtin.str(a)}c="";a.currentLine<a.lineList.length&&(c=a.lineList[a.currentLine],a.currentLine++);
 return new Sk.builtin.str(c)};Sk.builtin.file.prototype.readline=new Sk.builtin.func(function(a,c){return Sk.builtin.file.$readline(a,c,void 0)});Sk.builtin.file.prototype.readlines=new Sk.builtin.func(function(a,c){if(0===a.fileno)return new Sk.builtin.NotImplementedError("readlines ins't implemented because the web doesn't support Ctrl+D");var b=[];for(c=a.currentLine;c<a.lineList.length;c++)b.push(new Sk.builtin.str(a.lineList[c]));return new Sk.builtin.list(b)});Sk.builtin.file.prototype.seek=
 new Sk.builtin.func(function(a,c,b){c=Sk.ffi.remapToJs(c);void 0===b&&(b=0);0===b?a.pos$=c:1==b?a.pos$=a.data$.length+c:2==b&&(a.pos$=a.data$.length+c);return Sk.builtin.none.none$});Sk.builtin.file.prototype.tell=new Sk.builtin.func(function(a){return Sk.ffi.remapToPy(a.pos$)});Sk.builtin.file.prototype.truncate=new Sk.builtin.func(function(a,c){Sk.asserts.fail()});Sk.builtin.file.prototype.write=new Sk.builtin.func(function(a,c){var b=Sk.ffi.remapToJs(a.mode);if("w"===b||"wb"===b||"a"===b||"ab"===
 b)if(Sk.filewrite){if(a.closed)throw new Sk.builtin.ValueError("I/O operation on closed file");1===a.fileno?Sk.output(Sk.ffi.remapToJs(c)):Sk.filewrite(a,c)}else 1===a.fileno?Sk.output(Sk.ffi.remapToJs(c)):Sk.asserts.fail();else throw new Sk.builtin.IOError("File not open for writing");return Sk.builtin.none.none$});Sk.exportSymbol("Sk.builtin.file",Sk.builtin.file)},function(m,q){Sk.ffi=Sk.ffi||{};Sk.ffi.remapToPy=function(a){var c;if(null===a||"undefined"===typeof a)return Sk.builtin.none.none$;
 if(a.ob$type||a instanceof Sk.misceval.Suspension)return a;if("[object Array]"===Object.prototype.toString.call(a)){var b=[];for(c=0;c<a.length;++c)b.push(Sk.ffi.remapToPy(a[c]));return new Sk.builtin.list(b)}if("object"===typeof a){b=[];for(c in a)b.push(Sk.ffi.remapToPy(c)),b.push(Sk.ffi.remapToPy(a[c]));return new Sk.builtin.dict(b)}if("string"===typeof a)return new Sk.builtin.str(a);if("number"===typeof a)return Sk.builtin.assk$(a);if("boolean"===typeof a)return new Sk.builtin.bool(a);if("undefined"===
 typeof a)return Sk.builtin.none.none$;if("function"===typeof a)return new Sk.builtin.func(a);Sk.asserts.fail("unhandled remap type "+typeof a)};Sk.exportSymbol("Sk.ffi.remapToPy",Sk.ffi.remapToPy);Sk.ffi.remapToJs=function(a){var c,b;if(a instanceof Sk.builtin.dict){var e={};a.$items().forEach(([a,c])=>{b=Sk.ffi.remapToJs(a);e[b]=Sk.ffi.remapToJs(c)});return e}if(a instanceof Sk.builtin.list||a instanceof Sk.builtin.tuple){e=[];for(c=0;c<a.v.length;++c)e.push(Sk.ffi.remapToJs(a.v[c]));return e}if(a instanceof
 Sk.builtin.bool)return a.v?!0:!1;if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_||a instanceof Sk.builtin.lng)return Sk.builtin.asnum$(a);if("number"===typeof a||"boolean"===typeof a||"string"===typeof a)return a;if(void 0!==a)return a.v};Sk.exportSymbol("Sk.ffi.remapToJs",Sk.ffi.remapToJs);Sk.ffi.callback=function(a){return void 0===a?a:function(){return Sk.misceval.apply(a,void 0,void 0,void 0,Array.prototype.slice.call(arguments,0))}};Sk.exportSymbol("Sk.ffi.callback",Sk.ffi.callback);
 Sk.ffi.stdwrap=function(a,c){a=new a;a.v=c;return a};Sk.exportSymbol("Sk.ffi.stdwrap",Sk.ffi.stdwrap);Sk.ffi.basicwrap=function(a){if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_||a instanceof Sk.builtin.lng)return Sk.builtin.asnum$(a);if("number"===typeof a||"boolean"===typeof a)return a;if("string"===typeof a)return new Sk.builtin.str(a);Sk.asserts.fail("unexpected type for basicwrap")};Sk.exportSymbol("Sk.ffi.basicwrap",Sk.ffi.basicwrap);Sk.ffi.unwrapo=function(a){if(void 0!==a)return a.v};
 Sk.exportSymbol("Sk.ffi.unwrapo",Sk.ffi.unwrapo);Sk.ffi.unwrapn=function(a){return null===a?null:a.v};Sk.exportSymbol("Sk.ffi.unwrapn",Sk.ffi.unwrapn)},function(m,q){function a(a,b,e){a=void 0===a?a:Sk.misceval.asIndexOrThrow(a);b=void 0===b?b:Sk.misceval.asIndexOrThrow(b);e=void 0===e?e:Sk.misceval.asIndexOrThrow(e);if(void 0===b&&void 0===e)b=a,a=0,e=1;else if(void 0===e)e=1;else if(0===e)throw new Sk.builtin.ValueError("range() step argument must not be zero");const d=[];if("number"===typeof a&&
 "number"===typeof b&&"number"===typeof e)if(0<e)for(var f=a;f<b;f+=e)d.push(new Sk.builtin.int_(f));else for(f=a;f>b;f+=e)d.push(new Sk.builtin.int_(f));else{a=f=JSBI.BigInt(a);e=JSBI.BigInt(e);b=JSBI.BigInt(b);if(JSBI.greaterThan(e,JSBI.__ZERO))for(;JSBI.lessThan(f,b);)d.push(new Sk.builtin.int_(c(f))),f=JSBI.add(f,e);else for(;JSBI.greaterThan(f,b);)d.push(new Sk.builtin.int_(c(f))),f=JSBI.add(f,e);a=c(a);e=c(e);b=c(b)}return new Sk.builtin.range_(a,b,e,d)}function c(a){return JSBI.lessThan(a,JSBI.__MAX_SAFE)&&
 JSBI.greaterThan(a,JSBI.__MIN_SAFE)?JSBI.toNumber(a):a}Sk.builtin.range_=Sk.abstr.buildNativeClass("range",{constructor:function(a,b,c,d){this.start=a;this.stop=b;this.step=c;this.v=d},slots:{tp$getattr:Sk.generic.getAttr,tp$as_sequence_or_mapping:!0,tp$doc:"range(stop) -> range object\nrange(start, stop[, step]) -> range object\n\nReturn an object that produces a sequence of integers from start (inclusive)\nto stop (exclusive) by step.  range(i, j) produces i, i+1, i+2, ..., j-1.\nstart defaults to 0, and stop is omitted!  range(4) produces 0, 1, 2, 3.\nThese are exactly the valid indices for a list of 4 elements.\nWhen step is given, it specifies the increment (or decrement).",
 tp$new(b,c){Sk.abstr.checkNoKwargs("range",c);Sk.abstr.checkArgsLen("range",b,1,3);return a(b[0],b[1],b[2])},$r(){let a="range("+this.start+", "+this.stop;1!=this.step&&(a+=", "+this.step);return new Sk.builtin.str(a+")")},tp$richcompare(a,b){if("Eq"!==b&&"NotEq"!==b||a.ob$type!==Sk.builtin.range_)return Sk.builtin.NotImplemented.NotImplemented$;a=new Sk.builtin.list(a.v);return(new Sk.builtin.list(this.v)).tp$richcompare(a,b)},tp$iter(){return new b(this)},nb$bool(){return 0!==this.v.length},sq$contains(a){const b=
 this.v;for(let c=0;c<b.length;c++)if(Sk.misceval.richCompareBool(a,b[c],"Eq"))return!0;return!1},sq$length(){return this.v.length},mp$subscript(a){if(Sk.misceval.isIndex(a)){a=Sk.misceval.asIndexSized(a);0>a&&(a=this.v.length+a);if(0>a||a>=this.v.length)throw new Sk.builtin.IndexError("range object index out of range");return this.v[a]}if(a.constructor===Sk.builtin.slice){const b=[],c=this.v;a.sssiter$(c.length,a=>{b.push(c[a])});let {start:d,stop:e,step:f}=a.slice$indices(c.length);d=Sk.misceval.asIndex(c[d])||
 this.start;e=Sk.misceval.asIndex(c[e])||this.stop;f="number"===typeof this.step?f*this.step:JSBI.multiply(this.step,JSBI.BigInt(f));return new Sk.builtin.range_(d,e,f,b)}throw new Sk.builtin.TypeError("range indices must be integers or slices, not "+Sk.abstr.typeName(a));}},getsets:{start:{$get(){return new Sk.builtin.int_(this.start)}},step:{$get(){return new Sk.builtin.int_(this.step)}},stop:{$get(){return new Sk.builtin.int_(this.stop)}}},methods:{__reversed__:{$meth(){return new e(this)},$flags:{NoArgs:!0},
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 void 0!==f);this.func=a;this.args=c;this.keywords=b;this.lineno=e;this.col_offset=f;return this};Sk.astnodes.Num=function(a,c,b){Sk.asserts.assert(null!==c&&void 0!==c);Sk.asserts.assert(null!==b&&void 0!==b);this.n=a;this.lineno=c;this.col_offset=b;return this};Sk.astnodes.Str=function(a,c,b){Sk.asserts.assert(null!==c&&void 0!==c);Sk.asserts.assert(null!==b&&void 0!==b);this.s=a;this.lineno=c;this.col_offset=b;return this};Sk.astnodes.FormattedValue=function(a,c,b,e,f){Sk.asserts.assert(null!==
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 function(a,c,b){Sk.asserts.assert(null!==c&&void 0!==c);Sk.asserts.assert(null!==b&&void 0!==b);this.value=a;this.lineno=c;this.col_offset=b;return this};Sk.astnodes.Ellipsis=function(a,c){Sk.asserts.assert(null!==a&&void 0!==a);Sk.asserts.assert(null!==c&&void 0!==c);this.lineno=a;this.col_offset=c;return this};Sk.astnodes.Constant=function(a,c,b){Sk.asserts.assert(null!==c&&void 0!==c);Sk.asserts.assert(null!==b&&void 0!==b);this.value=a;this.lineno=c;this.col_offset=b;return this};Sk.astnodes.Attribute=
 function(a,c,b,e,f){Sk.asserts.assert(null!==e&&void 0!==e);Sk.asserts.assert(null!==f&&void 0!==f);this.value=a;this.attr=c;this.ctx=b;this.lineno=e;this.col_offset=f;return this};Sk.astnodes.Subscript=function(a,c,b,e,f){Sk.asserts.assert(null!==e&&void 0!==e);Sk.asserts.assert(null!==f&&void 0!==f);this.value=a;this.slice=c;this.ctx=b;this.lineno=e;this.col_offset=f;return this};Sk.astnodes.Starred=function(a,c,b,e){Sk.asserts.assert(null!==b&&void 0!==b);Sk.asserts.assert(null!==e&&void 0!==e);
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 Sk.astnodes.AugAssign.prototype._fields=["target",function(a){return a.target},"op",function(a){return a.op},"value",function(a){return a.value}];Sk.astnodes.AnnAssign.prototype._astname="AnnAssign";Sk.astnodes.AnnAssign.prototype._fields=["target",function(a){return a.target},"annotation",function(a){return a.annotation},"value",function(a){return a.value},"simple",function(a){return a.simple}];Sk.astnodes.For.prototype._astname="For";Sk.astnodes.For.prototype._fields=["target",function(a){return a.target},
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 function(a){return a.orelse}];Sk.astnodes.If.prototype._astname="If";Sk.astnodes.If.prototype._fields=["test",function(a){return a.test},"body",function(a){return a.body},"orelse",function(a){return a.orelse}];Sk.astnodes.With.prototype._astname="With";Sk.astnodes.With.prototype._fields=["items",function(a){return a.items},"body",function(a){return a.body}];Sk.astnodes.AsyncWith.prototype._astname="AsyncWith";Sk.astnodes.AsyncWith.prototype._fields=["items",function(a){return a.items},"body",function(a){return a.body}];
 Sk.astnodes.Raise.prototype._astname="Raise";Sk.astnodes.Raise.prototype._fields=["exc",function(a){return a.exc},"cause",function(a){return a.cause},"inst",function(a){return a.inst},"tback",function(a){return a.tback}];Sk.astnodes.Try.prototype._astname="Try";Sk.astnodes.Try.prototype._fields=["body",function(a){return a.body},"handlers",function(a){return a.handlers},"orelse",function(a){return a.orelse},"finalbody",function(a){return a.finalbody}];Sk.astnodes.Assert.prototype._astname="Assert";
 Sk.astnodes.Assert.prototype._fields=["test",function(a){return a.test},"msg",function(a){return a.msg}];Sk.astnodes.Import.prototype._astname="Import";Sk.astnodes.Import.prototype._fields=["names",function(a){return a.names}];Sk.astnodes.ImportFrom.prototype._astname="ImportFrom";Sk.astnodes.ImportFrom.prototype._fields=["module",function(a){return a.module},"names",function(a){return a.names},"level",function(a){return a.level}];Sk.astnodes.Global.prototype._astname="Global";Sk.astnodes.Global.prototype._fields=
 ["names",function(a){return a.names}];Sk.astnodes.Nonlocal.prototype._astname="Nonlocal";Sk.astnodes.Nonlocal.prototype._fields=["names",function(a){return a.names}];Sk.astnodes.Expr.prototype._astname="Expr";Sk.astnodes.Expr.prototype._fields=["value",function(a){return a.value}];Sk.astnodes.Pass.prototype._astname="Pass";Sk.astnodes.Pass.prototype._fields=[];Sk.astnodes.Break.prototype._astname="Break";Sk.astnodes.Break.prototype._fields=[];Sk.astnodes.Continue.prototype._astname="Continue";Sk.astnodes.Continue.prototype._fields=
 [];Sk.astnodes.Print.prototype._astname="Print";Sk.astnodes.Print.prototype._fields=["dest",function(a){return a.dest},"values",function(a){return a.values},"nl",function(a){return a.nl}];Sk.astnodes.Debugger.prototype._astname="Debugger";Sk.astnodes.Debugger.prototype._fields=[];Sk.astnodes.BoolOp.prototype._astname="BoolOp";Sk.astnodes.BoolOp.prototype._fields=["op",function(a){return a.op},"values",function(a){return a.values}];Sk.astnodes.BinOp.prototype._astname="BinOp";Sk.astnodes.BinOp.prototype._fields=
 ["left",function(a){return a.left},"op",function(a){return a.op},"right",function(a){return a.right}];Sk.astnodes.UnaryOp.prototype._astname="UnaryOp";Sk.astnodes.UnaryOp.prototype._fields=["op",function(a){return a.op},"operand",function(a){return a.operand}];Sk.astnodes.Lambda.prototype._astname="Lambda";Sk.astnodes.Lambda.prototype._fields=["args",function(a){return a.args},"body",function(a){return a.body}];Sk.astnodes.IfExp.prototype._astname="IfExp";Sk.astnodes.IfExp.prototype._fields=["test",
 function(a){return a.test},"body",function(a){return a.body},"orelse",function(a){return a.orelse}];Sk.astnodes.Dict.prototype._astname="Dict";Sk.astnodes.Dict.prototype._fields=["keys",function(a){return a.keys},"values",function(a){return a.values}];Sk.astnodes.Set.prototype._astname="Set";Sk.astnodes.Set.prototype._fields=["elts",function(a){return a.elts}];Sk.astnodes.ListComp.prototype._astname="ListComp";Sk.astnodes.ListComp.prototype._fields=["elt",function(a){return a.elt},"generators",function(a){return a.generators}];
 Sk.astnodes.SetComp.prototype._astname="SetComp";Sk.astnodes.SetComp.prototype._fields=["elt",function(a){return a.elt},"generators",function(a){return a.generators}];Sk.astnodes.DictComp.prototype._astname="DictComp";Sk.astnodes.DictComp.prototype._fields=["key",function(a){return a.key},"value",function(a){return a.value},"generators",function(a){return a.generators}];Sk.astnodes.GeneratorExp.prototype._astname="GeneratorExp";Sk.astnodes.GeneratorExp.prototype._fields=["elt",function(a){return a.elt},
 "generators",function(a){return a.generators}];Sk.astnodes.Await.prototype._astname="Await";Sk.astnodes.Await.prototype._fields=["value",function(a){return a.value}];Sk.astnodes.Yield.prototype._astname="Yield";Sk.astnodes.Yield.prototype._fields=["value",function(a){return a.value}];Sk.astnodes.YieldFrom.prototype._astname="YieldFrom";Sk.astnodes.YieldFrom.prototype._fields=["value",function(a){return a.value}];Sk.astnodes.Compare.prototype._astname="Compare";Sk.astnodes.Compare.prototype._fields=
 ["left",function(a){return a.left},"ops",function(a){return a.ops},"comparators",function(a){return a.comparators}];Sk.astnodes.Call.prototype._astname="Call";Sk.astnodes.Call.prototype._fields=["func",function(a){return a.func},"args",function(a){return a.args},"keywords",function(a){return a.keywords}];Sk.astnodes.Num.prototype._astname="Num";Sk.astnodes.Num.prototype._fields=["n",function(a){return a.n}];Sk.astnodes.Str.prototype._astname="Str";Sk.astnodes.Str.prototype._fields=["s",function(a){return a.s}];
 Sk.astnodes.FormattedValue.prototype._astname="FormattedValue";Sk.astnodes.FormattedValue.prototype._fields=["value",function(a){return a.value},"conversion",function(a){return a.conversion},"format_spec",function(a){return a.format_spec}];Sk.astnodes.JoinedStr.prototype._astname="JoinedStr";Sk.astnodes.JoinedStr.prototype._fields=["values",function(a){return a.values}];Sk.astnodes.Bytes.prototype._astname="Bytes";Sk.astnodes.Bytes.prototype._fields=["s",function(a){return a.s}];Sk.astnodes.NameConstant.prototype._astname=
 "NameConstant";Sk.astnodes.NameConstant.prototype._fields=["value",function(a){return a.value}];Sk.astnodes.Ellipsis.prototype._astname="Ellipsis";Sk.astnodes.Ellipsis.prototype._fields=[];Sk.astnodes.Constant.prototype._astname="Constant";Sk.astnodes.Constant.prototype._fields=["value",function(a){return a.value}];Sk.astnodes.Attribute.prototype._astname="Attribute";Sk.astnodes.Attribute.prototype._fields=["value",function(a){return a.value},"attr",function(a){return a.attr},"ctx",function(a){return a.ctx}];
 Sk.astnodes.Subscript.prototype._astname="Subscript";Sk.astnodes.Subscript.prototype._fields=["value",function(a){return a.value},"slice",function(a){return a.slice},"ctx",function(a){return a.ctx}];Sk.astnodes.Starred.prototype._astname="Starred";Sk.astnodes.Starred.prototype._fields=["value",function(a){return a.value},"ctx",function(a){return a.ctx}];Sk.astnodes.Name.prototype._astname="Name";Sk.astnodes.Name.prototype._fields=["id",function(a){return a.id},"ctx",function(a){return a.ctx}];Sk.astnodes.List.prototype._astname=
 "List";Sk.astnodes.List.prototype._fields=["elts",function(a){return a.elts},"ctx",function(a){return a.ctx}];Sk.astnodes.Tuple.prototype._astname="Tuple";Sk.astnodes.Tuple.prototype._fields=["elts",function(a){return a.elts},"ctx",function(a){return a.ctx}];Sk.astnodes.Load.prototype._astname="Load";Sk.astnodes.Load.prototype._isenum=!0;Sk.astnodes.Store.prototype._astname="Store";Sk.astnodes.Store.prototype._isenum=!0;Sk.astnodes.Del.prototype._astname="Del";Sk.astnodes.Del.prototype._isenum=!0;
 Sk.astnodes.AugLoad.prototype._astname="AugLoad";Sk.astnodes.AugLoad.prototype._isenum=!0;Sk.astnodes.AugStore.prototype._astname="AugStore";Sk.astnodes.AugStore.prototype._isenum=!0;Sk.astnodes.Param.prototype._astname="Param";Sk.astnodes.Param.prototype._isenum=!0;Sk.astnodes.Slice.prototype._astname="Slice";Sk.astnodes.Slice.prototype._fields=["lower",function(a){return a.lower},"upper",function(a){return a.upper},"step",function(a){return a.step}];Sk.astnodes.ExtSlice.prototype._astname="ExtSlice";
 Sk.astnodes.ExtSlice.prototype._fields=["dims",function(a){return a.dims}];Sk.astnodes.Index.prototype._astname="Index";Sk.astnodes.Index.prototype._fields=["value",function(a){return a.value}];Sk.astnodes.And.prototype._astname="And";Sk.astnodes.And.prototype._isenum=!0;Sk.astnodes.Or.prototype._astname="Or";Sk.astnodes.Or.prototype._isenum=!0;Sk.astnodes.Add.prototype._astname="Add";Sk.astnodes.Add.prototype._isenum=!0;Sk.astnodes.Sub.prototype._astname="Sub";Sk.astnodes.Sub.prototype._isenum=!0;
 Sk.astnodes.Mult.prototype._astname="Mult";Sk.astnodes.Mult.prototype._isenum=!0;Sk.astnodes.MatMult.prototype._astname="MatMult";Sk.astnodes.MatMult.prototype._isenum=!0;Sk.astnodes.Div.prototype._astname="Div";Sk.astnodes.Div.prototype._isenum=!0;Sk.astnodes.Mod.prototype._astname="Mod";Sk.astnodes.Mod.prototype._isenum=!0;Sk.astnodes.Pow.prototype._astname="Pow";Sk.astnodes.Pow.prototype._isenum=!0;Sk.astnodes.LShift.prototype._astname="LShift";Sk.astnodes.LShift.prototype._isenum=!0;Sk.astnodes.RShift.prototype._astname=
 "RShift";Sk.astnodes.RShift.prototype._isenum=!0;Sk.astnodes.BitOr.prototype._astname="BitOr";Sk.astnodes.BitOr.prototype._isenum=!0;Sk.astnodes.BitXor.prototype._astname="BitXor";Sk.astnodes.BitXor.prototype._isenum=!0;Sk.astnodes.BitAnd.prototype._astname="BitAnd";Sk.astnodes.BitAnd.prototype._isenum=!0;Sk.astnodes.FloorDiv.prototype._astname="FloorDiv";Sk.astnodes.FloorDiv.prototype._isenum=!0;Sk.astnodes.Invert.prototype._astname="Invert";Sk.astnodes.Invert.prototype._isenum=!0;Sk.astnodes.Not.prototype._astname=
 "Not";Sk.astnodes.Not.prototype._isenum=!0;Sk.astnodes.UAdd.prototype._astname="UAdd";Sk.astnodes.UAdd.prototype._isenum=!0;Sk.astnodes.USub.prototype._astname="USub";Sk.astnodes.USub.prototype._isenum=!0;Sk.astnodes.Eq.prototype._astname="Eq";Sk.astnodes.Eq.prototype._isenum=!0;Sk.astnodes.NotEq.prototype._astname="NotEq";Sk.astnodes.NotEq.prototype._isenum=!0;Sk.astnodes.Lt.prototype._astname="Lt";Sk.astnodes.Lt.prototype._isenum=!0;Sk.astnodes.LtE.prototype._astname="LtE";Sk.astnodes.LtE.prototype._isenum=
 !0;Sk.astnodes.Gt.prototype._astname="Gt";Sk.astnodes.Gt.prototype._isenum=!0;Sk.astnodes.GtE.prototype._astname="GtE";Sk.astnodes.GtE.prototype._isenum=!0;Sk.astnodes.Is.prototype._astname="Is";Sk.astnodes.Is.prototype._isenum=!0;Sk.astnodes.IsNot.prototype._astname="IsNot";Sk.astnodes.IsNot.prototype._isenum=!0;Sk.astnodes.In.prototype._astname="In";Sk.astnodes.In.prototype._isenum=!0;Sk.astnodes.NotIn.prototype._astname="NotIn";Sk.astnodes.NotIn.prototype._isenum=!0;Sk.astnodes.comprehension.prototype._astname=
 "comprehension";Sk.astnodes.comprehension.prototype._fields=["target",function(a){return a.target},"iter",function(a){return a.iter},"ifs",function(a){return a.ifs},"is_async",function(a){return a.is_async}];Sk.astnodes.ExceptHandler.prototype._astname="ExceptHandler";Sk.astnodes.ExceptHandler.prototype._fields=["type",function(a){return a.type},"name",function(a){return a.name},"body",function(a){return a.body}];Sk.astnodes.arguments_.prototype._astname="arguments";Sk.astnodes.arguments_.prototype._fields=
 ["args",function(a){return a.args},"vararg",function(a){return a.vararg},"kwonlyargs",function(a){return a.kwonlyargs},"kw_defaults",function(a){return a.kw_defaults},"kwarg",function(a){return a.kwarg},"defaults",function(a){return a.defaults}];Sk.astnodes.arg.prototype._astname="arg";Sk.astnodes.arg.prototype._fields=["arg",function(a){return a.arg},"annotation",function(a){return a.annotation}];Sk.astnodes.keyword.prototype._astname="keyword";Sk.astnodes.keyword.prototype._fields=["arg",function(a){return a.arg},
 "value",function(a){return a.value}];Sk.astnodes.alias.prototype._astname="alias";Sk.astnodes.alias.prototype._fields=["name",function(a){return a.name},"asname",function(a){return a.asname}];Sk.astnodes.withitem.prototype._astname="withitem";Sk.astnodes.withitem.prototype._fields=["context_expr",function(a){return a.context_expr},"optional_vars",function(a){return a.optional_vars}];Sk.exportSymbol("Sk.astnodes",Sk.astnodes)},function(m,q){function a(a,b,c){this.c_encoding=a;this.c_filename=b;this.c_flags=
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 return new Sk.builtin.str(a)}function h(a){var d,e;switch(a.type){case r.single_input:if(b(a,0).type===z.T_NEWLINE)break;else return h(b(a,0));case r.file_input:for(d=e=0;d<c(a);++d){var f=b(a,d);f.type===r.stmt&&(e+=h(f))}return e;case r.stmt:return h(b(a,0));case r.compound_stmt:return 1;case r.simple_stmt:return Math.floor(c(a)/2);case r.suite:if(1===c(a))return h(b(a,0));e=0;for(d=2;d<c(a)-1;++d)e+=h(b(a,d));return e;default:Sk.asserts.fail("Non-statement found")}return 0}function d(a,b,c,d){c instanceof
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 case Sk.astnodes.Starred:b.ctx=c;g(a,b.value,c,e);break;case Sk.astnodes.Subscript:b.ctx=c;break;case Sk.astnodes.List:b.ctx=c;f=b.elts;break;case Sk.astnodes.Tuple:if(0===b.elts.length)throw new Sk.builtin.SyntaxError("can't assign to ()",a.c_filename,e.lineno);b.ctx=c;f=b.elts;break;case Sk.astnodes.Lambda:h="lambda";break;case Sk.astnodes.Call:h="function call";break;case Sk.astnodes.BoolOp:case Sk.astnodes.BinOp:case Sk.astnodes.UnaryOp:h="operator";break;case Sk.astnodes.GeneratorExp:h="generator expression";
 break;case Sk.astnodes.Yield:h="yield expression";break;case Sk.astnodes.ListComp:h="list comprehension";break;case Sk.astnodes.SetComp:h="set comprehension";break;case Sk.astnodes.DictComp:h="dict comprehension";break;case Sk.astnodes.Dict:case Sk.astnodes.Set:case Sk.astnodes.Num:case Sk.astnodes.Str:h="literal";break;case Sk.astnodes.NameConstant:h="True, False or None";break;case Sk.astnodes.Compare:h="comparison";break;case Sk.astnodes.Repr:h="repr";break;case Sk.astnodes.IfExp:h="conditional expression";
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 d.end_col_offset);var h=W(a,b(g,1));return h?new Sk.astnodes.Return(h,d.lineno,d.col_offset,d.end_lineno,d.end_col_offset):null;case r.raise_stmt:if(1==c(g))return new Sk.astnodes.Raise(null,null,null,null,d.lineno,d.col_offset,d.end_lineno,d.end_col_offset);if(2<=c(g)){var k=null;h=x(a,b(g,1));var n=null,v=null;4==c(g)&&"from"==b(g,2).value?(Sk.__future__.python3||f(a,b(g,2),"raise ... from ... is not available in Python 2"),k=x(a,b(g,3))):4<=c(g)&&","==b(g,2).value&&(Sk.__future__.python3&&f(a,
 d,"Old raise syntax is not available in Python 3"),n=x(a,b(g,3)),6==c(g)&&(v=x(a,b(g,5))));return new Sk.astnodes.Raise(h,k,n,v,d.lineno,d.col_offset,d.end_lineno,d.end_col_offset)}default:return Sk.asserts.fail("unexpected flow_stmt: ",g.type),null}}function C(a,e){var f=null;Sk.asserts.assert(e.type===r.tfpdef||e.type===r.vfpdef);var g=b(e,0);d(a,g,g.value,g.lineno);g=l(g.value);3==c(e)&&b(e,1).type===z.T_COLON&&(f=x(a,b(e,2)));return new Sk.astnodes.arg(g,f,e.lineno,e.col_offset)}function N(a,
 e,g,h,k){var n=g,v=0;h||f(a,b(e,g),"named arguments must follow bare *");for(Sk.asserts.assert(k);n<c(e);){var p=b(e,n);switch(p.type){case r.vfpdef:case r.tfpdef:n+1<c(e)&&b(e,n+1).type==z.T_EQUAL?(k[v]=x(a,b(e,n+2)),n+=2):k[v]=null;var I=3==c(p)?x(a,b(p,2)):null;p=b(p,0);d(a,p,p.value,p.lineno);g=l(p.value);h[v++]=new Sk.astnodes.arg(g,I,p.lineno,p.col_offset);n+=2;break;case z.T_DOUBLESTAR:return n;default:f(a,p,"unexpected node")}}return n}function u(a,d){var e,f,g,h=[],k=[],n=[],v=[],l=null,
 p=null;if(d.type===r.parameters){if(2===c(d))return new Sk.astnodes.arguments_([],null,[],[],null,[]);d=b(d,1)}Sk.asserts.assert(d.type===r.varargslist||d.type===r.typedargslist);for(e=f=g=0;g<c(d);){var m=b(d,g);switch(m.type){case r.tfpdef:case r.vfpdef:if(g+1<c(d)&&b(d,g+1).type==z.T_EQUAL){k[f++]=x(a,b(d,g+2));g+=2;var L=1}else if(L)throw new Sk.builtin.SyntaxError("non-default argument follows default argument",a.c_filename,d.lineno);h[e++]=C(a,m);g+=2;break;case z.T_STAR:if(g+1>=c(d)||g+2==
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 k(b(f,1).value),d(a,b(f,3),n,b(f,3).lineno),new Sk.astnodes.ClassDef(n,[],[],h,g,null,f.lineno,f.col_offset);n=k(b(f,1));n=new Sk.astnodes.Name(n,Sk.astnodes.Load,f.lineno,f.col_offset);var l=K(a,b(f,3),n,!1);h=t(a,b(f,6));n=k(b(f,1).value);d(a,b(f,1),n,b(f,1).lineno);return new Sk.astnodes.ClassDef(n,l.args,l.keywords,h,g,null,f.lineno,f.col_offset)}function S(a,d){function f(a,d){for(a=0;;){e(d,r.comp_iter);if(b(d,0).type===r.comp_for)return a;d=b(d,0);e(d,r.comp_if);a++;if(2===c(d))return a;d=
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 d.col_offset,d.end_lineno,d.end_col_offset):1==e?new Sk.astnodes.ListComp(h,a,d.lineno,d.col_offset,d.end_lineno,d.end_col_offset):2==e?new Sk.astnodes.SetComp(h,a,d.lineno,d.col_offset,d.end_lineno,d.end_col_offset):null}function ca(a,c){e(c,r.augassign);c=b(c,0);switch(c.value.charAt(0)){case "+":return Sk.astnodes.Add;case "-":return Sk.astnodes.Sub;case "/":return"/"===c.value.charAt(1)?Sk.astnodes.FloorDiv:Sk.astnodes.Div;case "%":return Sk.astnodes.Mod;case "<":return Sk.astnodes.LShift;case ">":return Sk.astnodes.RShift;
 case "&":return Sk.astnodes.BitAnd;case "^":return Sk.astnodes.BitXor;case "|":return Sk.astnodes.BitOr;case "*":return"*"===c.value.charAt(1)?Sk.astnodes.Pow:Sk.astnodes.Mult;case "@":if(Sk.__future__.python3)return Sk.astnodes.MatMult;default:Sk.asserts.fail("invalid augassign")}}function W(a,d){Sk.asserts.assert(0<c(d));d.type===r.testlist_comp?1<c(d)&&Sk.asserts.assert(b(d,1).type!==r.comp_for):Sk.asserts.assert(d.type===r.testlist||d.type===r.testlist_star_expr);return 1===c(d)?x(a,b(d,0)):new Sk.astnodes.Tuple(A(a,
 d),Sk.astnodes.Load,d.lineno,d.col_offset)}function da(a,f){e(f,r.expr_stmt);if(1===c(f))return new Sk.astnodes.Expr(W(a,b(f,0)),f.lineno,f.col_offset);if(b(f,1).type===r.augassign){var h=b(f,0);var k=W(a,h);g(a,k,Sk.astnodes.Store,h);switch(k.constructor){case Sk.astnodes.Name:var n=k.id;d(a,h,n,f.lineno);break;case Sk.astnodes.Attribute:case Sk.astnodes.Subscript:break;case Sk.astnodes.GeneratorExp:throw new Sk.builtin.SyntaxError("augmented assignment to generator expression not possible",a.c_filename,
 f.lineno);case Sk.astnodes.Yield:throw new Sk.builtin.SyntaxError("augmented assignment to yield expression not possible",a.c_filename,f.lineno);default:throw new Sk.builtin.SyntaxError("illegal expression for augmented assignment",a.c_filename,f.lineno);}h=b(f,2);n=h.type===r.testlist?W(a,h):x(a,h);return new Sk.astnodes.AugAssign(k,ca(a,b(f,1)),n,f.lineno,f.col_offset)}if(b(f,1).type===r.annassign){if(!Sk.__future__.python3)throw new Sk.builtin.SyntaxError("Annotated assignment is not supported in Python 2",
 a.c_filename,f.lineno);h=b(f,0);var l=b(f,1);var p=1;for(k=h;1==c(k);)k=b(k,0);0<c(k)&&b(k,0).type==z.T_LPAR&&(p=0);k=W(a,h);switch(k.constructor){case Sk.astnodes.Name:n=k.id;d(a,h,n,f.lineno);g(a,k,Sk.astnodes.Store,h);break;case Sk.astnodes.Attribute:n=k.attr;d(a,h,n,f.lineno);g(a,k,Sk.astnodes.Store,h);break;case Sk.astnodes.Subscript:g(a,k,Sk.astnodes.Store,h);break;case Sk.astnodes.List:throw new Sk.builtin.SyntaxError("only single target (not list) can be annotated",a.c_filename,f.lineno);
 case Sk.astnodes.Tuple:throw new Sk.builtin.SyntaxError("only single target (not tuple) can be annotated",a.c_filename,f.lineno);default:throw new Sk.builtin.SyntaxError("illegal target for annotation",a.c_filename,f.lineno);}k.constructor!=Sk.astnodes.Name&&(p=0);h=b(l,1);n=x(a,h);if(2==c(l))return new Sk.astnodes.AnnAssign(k,n,null,p,f.lineno,f.col_offset);h=b(l,3);a=x(a,h);return new Sk.astnodes.AnnAssign(k,n,a,p,f.lineno,f.col_offset)}e(b(f,1),z.T_EQUAL);p=[];for(k=0;k<c(f)-2;k+=2){h=b(f,k);if(h.type===
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 a.c_filename,n.lineno);return a;case r.global_stmt:a=d;d=[];e(a,r.global_stmt);for(k=1;k<c(a);k+=2)d[(k-1)/2]=l(b(a,k).value);return new Sk.astnodes.Global(d,a.lineno,a.col_offset);case r.nonlocal_stmt:f(a,d,"Not implemented: nonlocal");break;case r.assert_stmt:return k=d,e(k,r.assert_stmt),2===c(k)?a=new Sk.astnodes.Assert(x(a,b(k,1)),null,k.lineno,k.col_offset):4===c(k)?a=new Sk.astnodes.Assert(x(a,b(k,1)),x(a,b(k,3)),k.lineno,k.col_offset):(Sk.asserts.fail("improper number of parts to assert stmt"),
 a=void 0),a;case r.print_stmt:k=d;Sk.__future__.print_function&&f(a,k,"Missing parentheses in call to 'print'");n=1;m=null;e(k,r.print_stmt);2<=c(k)&&b(k,1).type===z.T_RIGHTSHIFT&&(m=x(a,b(k,2)),n=4);d=[];for(w=0;n<c(k);n+=2,++w)d[w]=x(a,b(k,n));a=b(k,c(k)-1).type===z.T_COMMA?!1:!0;return new Sk.astnodes.Print(m,d,a,k.lineno,k.col_offset);case r.debugger_stmt:return new Sk.astnodes.Debugger(d.lineno,d.col_offset);default:Sk.asserts.fail("unhandled small_stmt")}else switch(k=b(d,0),e(d,r.compound_stmt),
 k.type){case r.if_stmt:e(k,r.if_stmt);if(4===c(k))a=new Sk.astnodes.If(x(a,b(k,1)),t(a,b(k,3)),[],k.lineno,k.col_offset);else if(d=b(k,4).value.charAt(2),"s"===d)a=new Sk.astnodes.If(x(a,b(k,1)),t(a,b(k,3)),t(a,b(k,6)),k.lineno,k.col_offset);else if("i"===d){m=c(k)-4;n=!1;d=[];b(k,m+1).type===z.T_NAME&&"s"===b(k,m+1).value.charAt(2)&&(n=!0,m-=3);m/=4;n&&(d=[new Sk.astnodes.If(x(a,b(k,c(k)-6)),t(a,b(k,c(k)-4)),t(a,b(k,c(k)-1)),b(k,c(k)-6).lineno,b(k,c(k)-6).col_offset)],m--);for(w=0;w<m;++w)n=5+4*
 (m-w-1),d=[new Sk.astnodes.If(x(a,b(k,n)),t(a,b(k,n+2)),d,b(k,n).lineno,b(k,n).col_offset)];a=new Sk.astnodes.If(x(a,b(k,1)),t(a,b(k,3)),d,k.lineno,k.col_offset)}else Sk.asserts.fail("unexpected token in 'if' statement"),a=void 0;return a;case r.while_stmt:return e(k,r.while_stmt),4===c(k)?a=new Sk.astnodes.While(x(a,b(k,1)),t(a,b(k,3)),[],k.lineno,k.col_offset):7===c(k)?a=new Sk.astnodes.While(x(a,b(k,1)),t(a,b(k,3)),t(a,b(k,6)),k.lineno,k.col_offset):(Sk.asserts.fail("wrong number of tokens for 'while' stmt"),
 a=void 0),a;case r.for_stmt:return d=[],e(k,r.for_stmt),9===c(k)&&(d=t(a,b(k,8))),n=b(k,1),m=y(a,n,Sk.astnodes.Store),m=1===c(n)?m[0]:new Sk.astnodes.Tuple(m,Sk.astnodes.Store,k.lineno,k.col_offset),new Sk.astnodes.For(m,W(a,b(k,3)),t(a,b(k,5)),d,k.lineno,k.col_offset);case r.try_stmt:d=[];p=c(k);m=(p-3)/3;w=[];q=null;e(k,r.try_stmt);n=t(a,b(k,2));if(b(k,p-3).type===z.T_NAME)"finally"===b(k,p-3).value?(9<=p&&b(k,p-6).type===z.T_NAME&&(w=t(a,b(k,p-4)),m--),q=t(a,b(k,p-1))):w=t(a,b(k,p-1)),m--;else if(b(k,
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 x(u,b(v,1)),E=x(u,b(v,3)),g(u,E,Sk.astnodes.Store,b(v,3)),E=new Sk.astnodes.ExceptHandler(x(u,b(v,1)),E,t(u,C),v.lineno,v.col_offset)):(Sk.asserts.fail("wrong number of children for except clause"),E=void 0);d[A]=E}Sk.asserts.assert(!!q||0!=d.length);return new Sk.astnodes.Try(n,d,w,q,k.lineno,k.col_offset);case r.with_stmt:d=[];e(k,r.with_stmt);for(m=1;m<c(k)-2;m+=2)n=void 0,q=a,p=b(k,m),e(p,r.with_item),w=x(q,b(p,0)),3==c(p)&&(n=x(q,b(p,2)),g(q,n,Sk.astnodes.Store,p)),n=new Sk.astnodes.withitem(w,
 n),d[(m-1)/2]=n;a=t(a,b(k,c(k)-1));a=new Sk.astnodes.With(d,a,k.lineno,k.col_offset);return a;case r.funcdef:return R(a,k,[],!1);case r.classdef:return O(a,k,[]);case r.decorated:m=null;e(k,r.decorated);n=b(k,0);e(n,r.decorators);d=[];for(w=0;w<c(n);++w){q=d;p=w;A=a;E=b(n,w);e(E,r.decorator);e(b(E,0),z.T_AT);e(b(E,c(E)-1),z.T_NEWLINE);var F,D=b(E,1);e(D,r.dotted_name);u=D.lineno;v=D.col_offset;C=l(b(D,0).value);var G=new Sk.astnodes.Name(C,Sk.astnodes.Load,u,v);for(F=2;F<c(D);F+=2)C=l(b(D,F).value),
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 !0));m&&(m.lineno=k.lineno,m.col_offset=k.col_offset);return m;case r.async_stmt:f(a,k,"Not implemented: async");break;default:Sk.asserts.assert("unhandled compound_stmt")}}var r=Sk.ParseTables.sym,z=Sk.token.tokens,Z={Slice_kind:1,ExtSlice_kind:2,Index_kind:3},Q={};Q[z.T_VBAR]=Sk.astnodes.BitOr;Q[z.T_CIRCUMFLEX]=Sk.astnodes.BitXor;Q[z.T_AMPER]=Sk.astnodes.BitAnd;Q[z.T_LEFTSHIFT]=Sk.astnodes.LShift;Q[z.T_RIGHTSHIFT]=Sk.astnodes.RShift;Q[z.T_PLUS]=Sk.astnodes.Add;Q[z.T_MINUS]=Sk.astnodes.Sub;Q[z.T_STAR]=
 Sk.astnodes.Mult;Q[z.T_SLASH]=Sk.astnodes.Div;Q[z.T_DOUBLESLASH]=Sk.astnodes.FloorDiv;Q[z.T_PERCENT]=Sk.astnodes.Mod;Sk.setupOperators=function(a){a?Q[z.T_AT]=Sk.astnodes.MatMult:Q[z.T_AT]&&delete Q[z.T_AT]};Sk.exportSymbol("Sk.setupOperators",Sk.setupOperators);const fa=/_[eE]|[eE]_|\._|j_/,ha=/_\.|[+-]_|^0_\D|_j/,ia=/_(?=[^_])/g;Sk.astFromParse=function(d,g,f){var k,n=new a("utf-8",g,f),l=[],p=0;switch(d.type){case r.file_input:for(k=0;k<c(d)-1;++k){var m=b(d,k);if(d.type!==z.T_NEWLINE)if(e(m,r.stmt),
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 a._astname){var g=b(a._astname.length+1);var f=[];for(e=0;e<a._fields.length;e+=2){var h=a._fields[e];var k=a._fields[e+1](a);var n=b(h.length+1);f.push([h,c(k,d+g+n)])}k=[];for(e=0;e<f.length;++e)n=f[e],k.push(n[0]+"="+n[1].replace(/^\s+/,""));e=k.join(",\n"+d+g);return d+a._astname+"("+e+")"}if(Sk.isArrayLike(a)){g=[];for(e=0;e<a.length;++e)f=a[e],g.push(c(f,d+" "));a=g.join(",\n");return d+"["+a.replace(/^\s+/,"")+"]"}a=!0===a?"True":!1===a?"False":a instanceof Sk.builtin.lng?a.tp$str().v:a instanceof
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 function(){return this.blockType};c.prototype.get_name=function(){return this.name};c.prototype.get_lineno=function(){return this.lineno};c.prototype.is_nested=function(){return this.isNested};c.prototype.has_children=function(){return 0<this.children.length};c.prototype.get_identifiers=function(){return this._identsMatching(function(){return!0})};c.prototype.lookup=function(b){if(this.symbols.hasOwnProperty(b))b=this.symbols[b];else{var c=this.symFlags[b];var e=this.__check_children(b);b=this.symbols[b]=
 new a(b,c,e)}return b};c.prototype.__check_children=function(a){var b,c=[];for(b=0;b<this.children.length;++b){var e=this.children[b];e.name===a&&c.push(e)}return c};c.prototype._identsMatching=function(a){var b,c=[];for(b in this.symFlags)this.symFlags.hasOwnProperty(b)&&a(this.symFlags[b])&&c.push(b);c.sort();return c};c.prototype.get_parameters=function(){Sk.asserts.assert("function"==this.get_type(),"get_parameters only valid for function scopes");this._funcParams||(this._funcParams=this._identsMatching(function(a){return a&
 4}));return this._funcParams};c.prototype.get_locals=function(){Sk.asserts.assert("function"==this.get_type(),"get_locals only valid for function scopes");this._funcLocals||(this._funcLocals=this._identsMatching(function(a){return a&1030}));return this._funcLocals};c.prototype.get_globals=function(){Sk.asserts.assert("function"==this.get_type(),"get_globals only valid for function scopes");this._funcGlobals||(this._funcGlobals=this._identsMatching(function(a){a=a>>11&7;return 3==a||2==a}));return this._funcGlobals};
 c.prototype.get_frees=function(){Sk.asserts.assert("function"==this.get_type(),"get_frees only valid for function scopes");this._funcFrees||(this._funcFrees=this._identsMatching(function(a){return 4==(a>>11&7)}));return this._funcFrees};c.prototype.get_methods=function(){var a;Sk.asserts.assert("class"==this.get_type(),"get_methods only valid for class scopes");if(!this._classMethods){var b=[];for(a=0;a<this.children.length;++a)b.push(this.children[a].name);b.sort();this._classMethods=b}return this._classMethods};
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 c;if(null!==a){Sk.asserts.assert(Sk.isArrayLike(a),"SEQ: nodes isn't array? got "+a.toString());var e=a.length;for(c=0;c<e;++c)(b=a[c])&&this.visitExpr(b)}};b.prototype.enterBlock=function(a,b,e,f){a=Sk.fixReserved(a);var d=null;this.cur&&(d=this.cur,this.stack.push(this.cur));this.cur=new c(this,a,b,e,f);"top"===a&&(this.global=this.cur.symFlags);d&&d.children.push(this.cur)};b.prototype.exitBlock=function(){this.cur=null;0<this.stack.length&&(this.cur=this.stack.pop())};b.prototype.visitParams=
 function(a,b){var c;for(c=0;c<a.length;++c)if(b=a[c],b.constructor===Sk.astnodes.arg)this.addDef(b.arg,4,b.lineno);else throw new Sk.builtin.SyntaxError("invalid expression in parameter list",this.filename);};b.prototype.visitArguments=function(a,b){a.args&&this.visitParams(a.args,!0);a.kwonlyargs&&this.visitParams(a.kwonlyargs,!0);a.vararg&&(this.addDef(a.vararg.arg,4,b),this.cur.varargs=!0);a.kwarg&&(this.addDef(a.kwarg.arg,4,b),this.cur.varkeywords=!0)};b.prototype.newTmpname=function(a){this.addDef(new Sk.builtin.str("_["+
 ++this.tmpname+"]"),2,a)};b.prototype.addDef=function(a,b,c){var d=Sk.mangleName(this.curClass,a).v;d=Sk.fixReserved(d);var e=this.cur.symFlags[d];if(void 0!==e){if(b&4&&e&4)throw new Sk.builtin.SyntaxError("duplicate argument '"+a.v+"' in function definition",this.filename,c);e|=b}else e=b;this.cur.symFlags[d]=e;b&4?this.cur.varnames.push(d):b&1&&(e=b,a=this.global[d],void 0!==a&&(e|=a),this.global[d]=e)};b.prototype.visitSlice=function(a){var b;switch(a.constructor){case Sk.astnodes.Slice:a.lower&&
 this.visitExpr(a.lower);a.upper&&this.visitExpr(a.upper);a.step&&this.visitExpr(a.step);break;case Sk.astnodes.ExtSlice:for(b=0;b<a.dims.length;++b)this.visitSlice(a.dims[b]);break;case Sk.astnodes.Index:this.visitExpr(a.value)}};b.prototype.visitStmt=function(a){var b;Sk.asserts.assert(void 0!==a,"visitStmt called with undefined");switch(a.constructor){case Sk.astnodes.FunctionDef:this.addDef(a.name,2,a.lineno);a.args.defaults&&this.SEQExpr(a.args.defaults);a.decorator_list&&this.SEQExpr(a.decorator_list);
 this.enterBlock(a.name.v,"function",a,a.lineno);this.visitArguments(a.args,a.lineno);this.SEQStmt(a.body);this.exitBlock();break;case Sk.astnodes.ClassDef:this.addDef(a.name,2,a.lineno);this.SEQExpr(a.bases);a.decorator_list&&this.SEQExpr(a.decorator_list);this.enterBlock(a.name.v,"class",a,a.lineno);this.curClass=a.name;this.SEQStmt(a.body);this.exitBlock();break;case Sk.astnodes.Return:if(a.value&&(this.visitExpr(a.value),this.cur.returnsValue=!0,this.cur.generator))throw new Sk.builtin.SyntaxError("'return' with argument inside generator",
 this.filename);break;case Sk.astnodes.Delete:this.SEQExpr(a.targets);break;case Sk.astnodes.Assign:this.SEQExpr(a.targets);this.visitExpr(a.value);break;case Sk.astnodes.AnnAssign:if(a.target.constructor==Sk.astnodes.Name){var c=a.target;var f=Sk.mangleName(this.curClass,c.id).v;f=Sk.fixReserved(f);c=this.cur.symFlags[f];if(c&2049&&this.global!=this.cur.symFlags&&a.simple)throw new Sk.builtin.SyntaxError("annotated name '"+f+"' can't be global",this.filename,a.lineno);a.simple?this.addDef(new Sk.builtin.str(f),
 4098,a.lineno):a.value&&this.addDef(new Sk.builtin.str(f),2,a.lineno)}else this.visitExpr(a.target);this.visitExpr(a.annotation);a.value&&this.visitExpr(a.value);break;case Sk.astnodes.AugAssign:this.visitExpr(a.target);this.visitExpr(a.value);break;case Sk.astnodes.Print:a.dest&&this.visitExpr(a.dest);this.SEQExpr(a.values);break;case Sk.astnodes.For:this.visitExpr(a.target);this.visitExpr(a.iter);this.SEQStmt(a.body);a.orelse&&this.SEQStmt(a.orelse);break;case Sk.astnodes.While:this.visitExpr(a.test);
 this.SEQStmt(a.body);a.orelse&&this.SEQStmt(a.orelse);break;case Sk.astnodes.If:this.visitExpr(a.test);this.SEQStmt(a.body);a.orelse&&this.SEQStmt(a.orelse);break;case Sk.astnodes.Raise:a.exc&&(this.visitExpr(a.exc),a.inst&&(this.visitExpr(a.inst),a.tback&&this.visitExpr(a.tback)),a.cause&&this.visitExpr(a.cause));break;case Sk.astnodes.Assert:this.visitExpr(a.test);a.msg&&this.visitExpr(a.msg);break;case Sk.astnodes.Import:case Sk.astnodes.ImportFrom:this.visitAlias(a.names,a.lineno);break;case Sk.astnodes.Global:var k=
 a.names.length;for(b=0;b<k;++b){f=Sk.mangleName(this.curClass,a.names[b]).v;f=Sk.fixReserved(f);c=this.cur.symFlags[f];if(c&10){if(c&2)throw new Sk.builtin.SyntaxError("name '"+f+"' is assigned to before global declaration",this.filename,a.lineno);throw new Sk.builtin.SyntaxError("name '"+f+"' is used prior to global declaration",this.filename,a.lineno);}this.addDef(new Sk.builtin.str(f),1,a.lineno)}break;case Sk.astnodes.Expr:this.visitExpr(a.value);break;case Sk.astnodes.Pass:case Sk.astnodes.Break:case Sk.astnodes.Continue:case Sk.astnodes.Debugger:break;
 case Sk.astnodes.With:e(this.visit_withitem.bind(this),a.items);e(this.visitStmt.bind(this),a.body);break;case Sk.astnodes.Try:this.SEQStmt(a.body);this.visitExcepthandlers(a.handlers);this.SEQStmt(a.orelse);this.SEQStmt(a.finalbody);break;default:Sk.asserts.fail("Unhandled type "+a.constructor.name+" in visitStmt")}};b.prototype.visit_withitem=function(a){this.visitExpr(a.context_expr);a.optional_vars&&this.visitExpr(a.optional_vars)};b.prototype.visitExpr=function(a){Sk.asserts.assert(void 0!==
 a,"visitExpr called with undefined");switch(a.constructor){case Sk.astnodes.BoolOp:this.SEQExpr(a.values);break;case Sk.astnodes.BinOp:this.visitExpr(a.left);this.visitExpr(a.right);break;case Sk.astnodes.UnaryOp:this.visitExpr(a.operand);break;case Sk.astnodes.Lambda:this.addDef(new Sk.builtin.str("lambda"),2,a.lineno);a.args.defaults&&this.SEQExpr(a.args.defaults);this.enterBlock("lambda","function",a,a.lineno);this.visitArguments(a.args,a.lineno);this.visitExpr(a.body);this.exitBlock();break;case Sk.astnodes.IfExp:this.visitExpr(a.test);
 this.visitExpr(a.body);this.visitExpr(a.orelse);break;case Sk.astnodes.Dict:this.SEQExpr(a.keys);this.SEQExpr(a.values);break;case Sk.astnodes.DictComp:case Sk.astnodes.SetComp:this.visitComprehension(a.generators,0);break;case Sk.astnodes.ListComp:this.newTmpname(a.lineno);this.visitExpr(a.elt);this.visitComprehension(a.generators,0);break;case Sk.astnodes.GeneratorExp:this.visitGenexp(a);break;case Sk.astnodes.Yield:a.value&&this.visitExpr(a.value);this.cur.generator=!0;if(this.cur.returnsValue)throw new Sk.builtin.SyntaxError("'return' with argument inside generator",
 this.filename);break;case Sk.astnodes.Compare:this.visitExpr(a.left);this.SEQExpr(a.comparators);break;case Sk.astnodes.Call:this.visitExpr(a.func);if(a.args)for(let b of a.args)b.constructor===Sk.astnodes.Starred?this.visitExpr(b.value):this.visitExpr(b);if(a.keywords)for(let b of a.keywords)this.visitExpr(b.value);break;case Sk.astnodes.Num:case Sk.astnodes.Str:case Sk.astnodes.Bytes:break;case Sk.astnodes.JoinedStr:for(let b of a.values)this.visitExpr(b);break;case Sk.astnodes.FormattedValue:this.visitExpr(a.value);
 a.format_spec&&this.visitExpr(a.format_spec);break;case Sk.astnodes.Attribute:this.visitExpr(a.value);break;case Sk.astnodes.Subscript:this.visitExpr(a.value);this.visitSlice(a.slice);break;case Sk.astnodes.Name:this.addDef(a.id,a.ctx===Sk.astnodes.Load?8:2,a.lineno);break;case Sk.astnodes.NameConstant:break;case Sk.astnodes.List:case Sk.astnodes.Tuple:case Sk.astnodes.Set:this.SEQExpr(a.elts);break;case Sk.astnodes.Starred:this.visitExpr(a.value);break;default:Sk.asserts.fail("Unhandled type "+a.constructor.name+
 " in visitExpr")}};b.prototype.visitComprehension=function(a,b){var c,d=a.length;for(c=b;c<d;++c)b=a[c],this.visitExpr(b.target),this.visitExpr(b.iter),this.SEQExpr(b.ifs)};b.prototype.visitAlias=function(a,b){var c,d;for(d=0;d<a.length;++d){var e=a[d];var f=c=null===e.asname?e.name.v:e.asname.v;e=c.indexOf(".");-1!==e&&(f=c.substr(0,e));if("*"!==c)this.addDef(new Sk.builtin.str(f),1024,b);else if("module"!==this.cur.blockType)throw new Sk.builtin.SyntaxError("import * only allowed at module level",
 this.filename);}};b.prototype.visitGenexp=function(a){var b=a.generators[0];this.visitExpr(b.iter);this.enterBlock("genexpr","function",a,a.lineno);this.cur.generator=!0;this.addDef(new Sk.builtin.str(".0"),4,a.lineno);this.visitExpr(b.target);this.SEQExpr(b.ifs);this.visitComprehension(a.generators,1);this.visitExpr(a.elt);this.exitBlock()};b.prototype.visitExcepthandlers=function(a){var b,c;for(b=0;c=a[b];++b)c.type&&this.visitExpr(c.type),c.name&&this.visitExpr(c.name),this.SEQStmt(c.body)};b.prototype.analyzeBlock=
 function(a,b,c,e){var d={};var g={},h={},n={},l={};"class"==a.blockType&&(f(h,e),b&&f(n,b));for(q in a.symFlags){var m=a.symFlags[q];this.analyzeName(a,g,q,m,b,d,c,e)}"class"!==a.blockType&&("function"===a.blockType&&f(n,d),b&&f(n,b),f(h,e));d={};var q=a.children.length;for(m=0;m<q;++m)if(e=a.children[m],this.analyzeChildBlock(e,n,l,h,d),e.hasFree||e.childHasFree)a.childHasFree=!0;f(l,d);"function"===a.blockType&&this.analyzeCells(g,l);b=this.updateSymbols(a.symFlags,g,b,l,"class"===a.blockType);
 a.hasFree=a.hasFree||b;f(c,l)};b.prototype.analyzeChildBlock=function(a,b,c,e,k){var d={};f(d,b);b={};f(b,c);c={};f(c,e);this.analyzeBlock(a,d,b,c);f(k,b)};b.prototype.analyzeCells=function(a,b){var c;for(c in a){var d=a[c];1===d&&void 0!==b[c]&&(a[c]=5,delete b[c])}};b.prototype.updateSymbols=function(a,b,c,e,f){var d,g=!1;for(d in a){var k=a[d];var h=b[d];k|=h<<11;a[d]=k}for(d in e)b=a[d],void 0!==b?f&&b&1031&&(b|=512,a[d]=b):void 0!==c[d]&&(a[d]=8192,g=!0);return g};b.prototype.analyzeName=function(a,
 b,c,e,f,l,m,q){if(e&1){if(e&4)throw new Sk.builtin.SyntaxError("name '"+c+"' is local and global",this.filename,a.lineno);b[c]=2;q[c]=null;f&&void 0!==f[c]&&delete f[c]}else e&1030?(b[c]=1,l[c]=null,delete q[c]):f&&void 0!==f[c]?(b[c]=4,a.hasFree=!0,m[c]=null):(q&&void 0!==q[c]||!a.isNested||(a.hasFree=!0),b[c]=3)};b.prototype.analyze=function(){this.analyzeBlock(this.top,null,{},{})};Sk.symboltable=function(a,c){var d=new b(c);d.enterBlock("top","module",a,0);d.top=d.cur;for(c=0;c<a.body.length;++c)d.visitStmt(a.body[c]);
 d.exitBlock();d.analyze();return d};Sk.dumpSymtab=function(a){var b=function(a){return a?"True":"False"},c=function(a){var b,c=[];for(b=0;b<a.length;++b)c.push((new Sk.builtin.str(a[b])).$r().v);return"["+c.join(", ")+"]"},e=function(a,d){var f,g;void 0===d&&(d="");var k=d+"Sym_type: "+a.get_type()+"\n";k+=d+"Sym_name: "+a.get_name()+"\n";k+=d+"Sym_lineno: "+a.get_lineno()+"\n";k+=d+"Sym_nested: "+b(a.is_nested())+"\n";k+=d+"Sym_haschildren: "+b(a.has_children())+"\n";"class"===a.get_type()?k+=d+
 "Class_methods: "+c(a.get_methods())+"\n":"function"===a.get_type()&&(k+=d+"Func_params: "+c(a.get_parameters())+"\n",k+=d+"Func_locals: "+c(a.get_locals())+"\n",k+=d+"Func_globals: "+c(a.get_globals())+"\n",k+=d+"Func_frees: "+c(a.get_frees())+"\n");k+=d+"-- Identifiers --\n";var h=a.get_identifiers();var n=h.length;for(g=0;g<n;++g){var l=a.lookup(h[g]);k+=d+"name: "+l.get_name()+"\n";k+=d+"  is_referenced: "+b(l.is_referenced())+"\n";k+=d+"  is_imported: "+b(l.is_imported())+"\n";k+=d+"  is_parameter: "+
 b(l.is_parameter())+"\n";k+=d+"  is_global: "+b(l.is_global())+"\n";k+=d+"  is_declared_global: "+b(l.is_declared_global())+"\n";k+=d+"  is_local: "+b(l.is_local())+"\n";k+=d+"  is_free: "+b(l.is_free())+"\n";k+=d+"  is_assigned: "+b(l.is_assigned())+"\n";k+=d+"  is_namespace: "+b(l.is_namespace())+"\n";var m=l.get_namespaces();var p=m.length;k+=d+"  namespaces: [\n";var q=[];for(f=0;f<p;++f)l=m[f],q.push(e(l,d+"    "));k+=q.join("\n");k+=d+"  ]\n"}return k};return e(a.top,"")};Sk.exportSymbol("Sk.symboltable",
 Sk.symboltable);Sk.exportSymbol("Sk.dumpSymtab",Sk.dumpSymtab)},function(m,q){function a(a,b,c,e,f){this.filename=a;this.st=b;this.flags=c;this.canSuspend=e;this.interactive=!1;this.nestlevel=0;this.u=null;this.stack=[];this.result=[];this.allUnits=[];this.source=f?f.split("\n"):!1}function c(){this.name=this.ste=null;this.doesSuspend=this.canSuspend=!1;this.private_=null;this.lineno=this.firstlineno=0;this.linenoSet=!1;this.localnames=[];this.localtemps=[];this.tempsToSave=[];this.blocknum=0;this.blocks=
 [];this.curblock=0;this.consts={};this.scopename=null;this.suffixCode=this.switchCode=this.varDeclsCode=this.prefixCode="";this.breakBlocks=[];this.continueBlocks=[];this.exceptBlocks=[];this.finallyBlocks=[]}function b(a){return void 0===h[a]?a:a+"_$rw$"}function e(a,b){var c=b.v;if(null===a||null===c||"_"!==c.charAt(0)||"_"!==c.charAt(1)||"_"===c.charAt(c.length-1)&&"_"===c.charAt(c.length-2))return b;var d=a.v;d.replace(/_/g,"");if(""===d)return b;d=a.v;d.replace(/^_*/,"");return d=new Sk.builtin.str("_"+
 d+c)}function f(a){let b='"';for(let c=0;c<a.length;c++){let d=a.charCodeAt(c);b=10==d?b+"\\n":92==d?b+"\\\\":34==d||32>d||127<=d&&256>d?b+("\\x"+("0"+d.toString(16)).substr(-2)):256<=d?b+("\\u"+("000"+d.toString(16)).substr(-4)):b+a.charAt(c)}return b+'"'}var l;Sk.gensymcount=0;c.prototype.activateScope=function(){var a=this;l=function(){var b,c=a.blocks[a.curblock];if(null===c._next)for(b=0;b<arguments.length;++b)c.push(arguments[b])}};a.prototype.getSourceLine=function(a){Sk.asserts.assert(this.source);
 return this.source[a-1]};a.prototype.annotateSource=function(a){var b;if(this.source){var c=a.lineno;var d=a.col_offset;l("\n//\n// line ",c,":\n// ",this.getSourceLine(c),"\n// ");for(b=0;b<d;++b)l(" ");l("^\n//\n");Sk.asserts.assert(void 0!==a.lineno&&void 0!==a.col_offset);l("$currLineNo = ",c,";\n$currColNo = ",d,";\n\n")}};a.prototype.gensym=function(a){return a="$"+(a||"")+Sk.gensymcount++};a.prototype.niceName=function(a){return this.gensym(a.replace("<","").replace(">","").replace(" ","_"))};
 var h=Sk.builtin.str.reservedWords_;a.prototype.makeConstant=function(a){var b,c="";for(b=0;b<arguments.length;++b)c+=arguments[b];for(d in this.u.consts)if(this.u.consts.hasOwnProperty(d)&&(b=this.u.consts[d],b==c))return d;var d=this.u.scopename+"."+this.gensym("const");this.u.consts[d]=c;return d};a.prototype._gr=function(a,b){var c,d=this.gensym(a);this.u.localtemps.push(d);l("var ",d,"=");for(c=1;c<arguments.length;++c)l(arguments[c]);l(";");return d};a.prototype.outputInterruptTest=function(){var a=
 "";if(null!==Sk.execLimit||null!==Sk.yieldLimit&&this.u.canSuspend)a+="var $dateNow = Date.now();",null!==Sk.execLimit&&(a+="if ($dateNow - Sk.execStart > Sk.execLimit) {throw new Sk.builtin.TimeLimitError(Sk.timeoutMsg())}"),null!==Sk.yieldLimit&&this.u.canSuspend&&(a=a+"if ($dateNow - Sk.lastYield > Sk.yieldLimit) {"+("var $susp = $saveSuspension({data: {type: 'Sk.yield'}, resume: function() {}}, '"+this.filename+"',$currLineNo,$currColNo);"),a+="$susp.$blk = $blk;$susp.optional = true;return $susp;}",
 this.u.doesSuspend=!0);return a};a.prototype._jumpfalse=function(a,b){a=this._gr("jfalse","(",a,"===false||!Sk.misceval.isTrue(",a,"))");l("if(",a,"){/*test failed */$blk=",b,";continue;}")};a.prototype._jumpundef=function(a,b){l("if(",a,"===undefined){$blk=",b,";continue;}")};a.prototype._jumpnotundef=function(a,b){l("if(",a,"!==undefined){$blk=",b,";continue;}")};a.prototype._jumptrue=function(a,b){a=this._gr("jtrue","(",a,"===true||Sk.misceval.isTrue(",a,"))");l("if(",a,"){/*test passed */$blk=",
 b,";continue;}")};a.prototype._jump=function(a){null===this.u.blocks[this.u.curblock]._next&&(l("$blk=",a,";"),this.u.blocks[this.u.curblock]._next=a)};a.prototype._checkSuspension=function(a){if(this.u.canSuspend){var b=this.newBlock("function return or resume suspension");this._jump(b);this.setBlock(b);a=a||{lineno:"$currLineNo",col_offset:"$currColNo"};l("if ($ret && $ret.$isSuspension) { return $saveSuspension($ret,'"+this.filename+"',"+a.lineno+","+a.col_offset+"); }");this.u.doesSuspend=!0;
 this.u.tempsToSave=this.u.tempsToSave.concat(this.u.localtemps)}else l("if ($ret && $ret.$isSuspension) { $ret = Sk.misceval.retryOptionalSuspensionOrThrow($ret); }")};a.prototype.cunpackstarstoarray=function(a,b){if(!a||0==a.length)return"[]";let c=!1;for(let d of a){if(b&&c)throw new Sk.builtin.SyntaxError("Extended argument unpacking is not permitted in Python 2");d.constructor===Sk.astnodes.Starred&&(c=!0)}if(c){b=this._gr("unpack","[]");for(let c of a)c.constructor!==Sk.astnodes.Starred?l(b,
 ".push(",this.vexpr(c),");"):(l("$ret = Sk.misceval.iterFor(Sk.abstr.iter(",this.vexpr(c.value),"), function(e) { ",b,".push(e); });"),this._checkSuspension());return b}return"["+a.map(a=>this.vexpr(a)).join(",")+"]"};a.prototype.ctuplelistorset=function(a,b,c){var d;Sk.asserts.assert("tuple"===c||"list"===c||"set"===c);var e=!1;for(d=0;d<a.elts.length;d++)if(a.elts[d].constructor===Sk.astnodes.Starred){e=!0;var f=d;break}if(a.ctx===Sk.astnodes.Store){if(e){if(!Sk.__future__.python3)throw new Sk.builtin.SyntaxError("assignment unpacking with stars is not supported in Python 2",
 this.filename,a.lineno);for(d=f+1;d<a.elts.length;d++)if(a.elts[d].constructor===Sk.astnodes.Starred)throw new Sk.builtin.SyntaxError("multiple starred expressions in assignment",this.filename,a.lineno);}c=e?f:a.elts.length;l("$ret = Sk.abstr.sequenceUnpack("+b+","+c+","+(e?a.elts.length-1:c)+", "+e+");");this._checkSuspension();b=this._gr("items","$ret");for(d=0;d<a.elts.length;++d)d===f?this.vexpr(a.elts[d].value,b+"["+d+"]"):this.vexpr(a.elts[d],b+"["+d+"]")}else if(a.ctx===Sk.astnodes.Load||"set"===
 c){if(e){if(!Sk.__future__.python3)throw new Sk.builtin.SyntaxError("List packing with stars is not supported in Python 2");return this._gr("load"+c,"new Sk.builtins['",c,"'](",this.cunpackstarstoarray(a.elts),")")}if("tuple"===c){e=!0;b=[];for(d=0;d<a.elts.length;++d)f=this.vexpr(a.elts[d]),e&&-1==f.indexOf("$const")&&(e=!1),b.push(f);if(e)return this.makeConstant("new Sk.builtin.tuple(["+b+"])");for(d=0;d<b.length;++d)b[d]=this._gr("elem",b[d]);return this._gr("load"+c,"new Sk.builtins['",c,"']([",
 b,"])")}b=[];for(d=0;d<a.elts.length;++d)b.push(this._gr("elem",this.vexpr(a.elts[d])));return this._gr("load"+c,"new Sk.builtins['",c,"']([",b,"])")}};a.prototype.cdict=function(a){var b;var c=[];if(null!==a.keys)for(Sk.asserts.assert(a.values.length===a.keys.length),b=0;b<a.values.length;++b){var d=this.vexpr(a.values[b]);c.push(this.vexpr(a.keys[b]));c.push(d)}return this._gr("loaddict","new Sk.builtins['dict']([",c,"])")};a.prototype.clistcomp=function(a){Sk.asserts.assert(a instanceof Sk.astnodes.ListComp);
 var b=this._gr("_compr","new Sk.builtins['list']([])");return this.ccompgen("list",b,a.generators,0,a.elt,null,a)};a.prototype.cdictcomp=function(a){Sk.asserts.assert(a instanceof Sk.astnodes.DictComp);var b=this._gr("_dcompr","new Sk.builtins.dict([])");return this.ccompgen("dict",b,a.generators,0,a.value,a.key,a)};a.prototype.csetcomp=function(a){Sk.asserts.assert(a instanceof Sk.astnodes.SetComp);var b=this._gr("_setcompr","new Sk.builtins.set([])");return this.ccompgen("set",b,a.generators,0,
 a.elt,null,a)};a.prototype.ccompgen=function(a,b,c,e,f,h,m){var d=this.newBlock(a+" comp start"),g=this.newBlock(a+" comp skip"),k=this.newBlock(a+" comp anchor"),n=c[e],p=this.vexpr(n.iter);p=this._gr("iter","Sk.abstr.iter(",p,")");var q;this._jump(d);this.setBlock(d);l("$ret = Sk.abstr.iternext(",p,", true);");this._checkSuspension(m);p=this._gr("next","$ret");this._jumpundef(p,k);this.vexpr(n.target,p);var w=n.ifs?n.ifs.length:0;for(q=0;q<w;++q)p=this.vexpr(n.ifs[q]),this._jumpfalse(p,d);++e<c.length&&
 this.ccompgen(a,b,c,e,f,h,m);e>=c.length&&(c=this.vexpr(f),"dict"===a?(a=this.vexpr(h),l(b,".mp$ass_subscript(",a,",",c,");")):"list"===a?l(b,".v.push(",c,");"):"set"===a&&l(b,".v.mp$ass_subscript(",c,", true);"),this._jump(g),this.setBlock(g));this._jump(d);this.setBlock(k);return b};a.prototype.cyield=function(a){if(this.u.ste.blockType!==Sk.SYMTAB_CONSTS.FunctionBlock)throw new Sk.builtin.SyntaxError("'yield' outside function",this.filename,a.lineno);var b="Sk.builtin.none.none$";a.value&&(b=this.vexpr(a.value));
 a=this.newBlock("after yield");l("return [/*resume*/",a,",/*ret*/",b,"];");this.setBlock(a);return"$gen.gi$sentvalue"};a.prototype.ccompare=function(a){var b;Sk.asserts.assert(a.ops.length===a.comparators.length);var c=this.vexpr(a.left);var d=a.ops.length;var e=this.newBlock("done");var f=this._gr("compareres","null");for(b=0;b<d;++b){var h=this.vexpr(a.comparators[b]);l("$ret = Sk.builtin.bool(Sk.misceval.richCompareBool(",c,",",h,",'",a.ops[b].prototype._astname,"', true));");this._checkSuspension(a);
 l(f,"=$ret;");this._jumpfalse("$ret",e);c=h}this._jump(e);this.setBlock(e);return f};a.prototype.ccall=function(a){var b=this.vexpr(a.func);let c=this.cunpackstarstoarray(a.args,!Sk.__future__.python3);var d="undefined";if(a.keywords&&0<a.keywords.length){let c=!1;d=[];for(let b of a.keywords){if(c&&!Sk.__future__.python3)throw new SyntaxError("Advanced unpacking of function arguments is not supported in Python 2");b.arg?(d.push("'"+b.arg.v+"'"),d.push(this.vexpr(b.value))):c=!0}d="["+d.join(",")+
 "]";if(c){d=this._gr("keywordArgs",d);for(let c of a.keywords)c.arg||(l("$ret = Sk.abstr.mappingUnpackIntoKeywordArray(",d,",",this.vexpr(c.value),",",b,");"),this._checkSuspension())}}Sk.__future__.super_args&&a.func.id&&"super"===a.func.id.v&&"[]"===c&&(l('if (typeof self === "undefined" || self.toString().indexOf("Window") > 0) { throw new Sk.builtin.RuntimeError("super(): no arguments") };'),c="[$gbl.__class__,self]");l("$ret = (",b,".tp$call)?",b,".tp$call(",c,",",d,") : Sk.misceval.applyOrSuspend(",
 b,",undefined,undefined,",d,",",c,");");this._checkSuspension(a);return this._gr("call","$ret")};a.prototype.cslice=function(a){Sk.asserts.assert(a instanceof Sk.astnodes.Slice);if(Sk.__future__.python3){var b=a.lower?this.vexpr(a.lower):"Sk.builtin.none.none$";var c=a.upper?this.vexpr(a.upper):"Sk.builtin.none.none$"}else b=a.lower?this.vexpr(a.lower):a.step?"Sk.builtin.none.none$":"new Sk.builtin.int_(0)",c=a.upper?this.vexpr(a.upper):a.step?"Sk.builtin.none.none$":"new Sk.builtin.int_(2147483647)";
 a=a.step?this.vexpr(a.step):"Sk.builtin.none.none$";return this._gr("slice","new Sk.builtins['slice'](",b,",",c,",",a,")")};a.prototype.eslice=function(a){var b;Sk.asserts.assert(a instanceof Array);var c=[];for(b=0;b<a.length;b++)c.push(this.vslicesub(a[b]));return this._gr("extslice","new Sk.builtins['tuple']([",c,"])")};a.prototype.vslicesub=function(a){switch(a.constructor){case Sk.astnodes.Index:var b=this.vexpr(a.value);break;case Sk.astnodes.Slice:b=this.cslice(a);break;case Sk.astnodes.Ellipsis:Sk.asserts.fail("todo compile.js Ellipsis;");
 break;case Sk.astnodes.ExtSlice:b=this.eslice(a.dims);break;default:Sk.asserts.fail("invalid subscript kind")}return b};a.prototype.vslice=function(a,b,c,e){a=this.vslicesub(a);return this.chandlesubscr(b,c,a,e)};a.prototype.chandlesubscr=function(a,b,c,e){if(a===Sk.astnodes.Load||a===Sk.astnodes.AugLoad)return l("$ret = Sk.abstr.objectGetItem(",b,",",c,", true);"),this._checkSuspension(),this._gr("lsubscr","$ret");a===Sk.astnodes.Store||a===Sk.astnodes.AugStore?(l("$ret = Sk.abstr.objectSetItem(",
 b,",",c,",",e,", true);"),this._checkSuspension()):a===Sk.astnodes.Del?l("Sk.abstr.objectDelItem(",b,",",c,");"):Sk.asserts.fail("handlesubscr fail")};a.prototype.cboolop=function(a){var b,c;Sk.asserts.assert(a instanceof Sk.astnodes.BoolOp);var d=a.op===Sk.astnodes.And?this._jumpfalse:this._jumptrue;var e=this.newBlock("end of boolop");var f=a.values;var h=f.length;for(b=0;b<h;++b)a=this.vexpr(f[b]),0===b&&(c=this._gr("boolopsucc",a)),l(c,"=",a,";"),d.call(this,a,e);this._jump(e);this.setBlock(e);
 return c};a.prototype.cjoinedstr=function(a){let b;Sk.asserts.assert(a instanceof Sk.astnodes.JoinedStr);for(let c of a.values)a=this.vexpr(c),b?l(b,"=",b,".sq$concat(",a,");"):b=this._gr("joinedstr",a);b||(b="Sk.builtin.str.$emptystr");return b};a.prototype.cformattedvalue=function(a){let b=this.vexpr(a.value);switch(a.conversion){case "s":b=this._gr("value","new Sk.builtin.str(",b,")");break;case "a":b=this._gr("value","Sk.builtin.ascii(",b,")");break;case "r":b=this._gr("value","Sk.builtin.repr(",
 b,")")}a=a.format_spec?this.vexpr(a.format_spec):"Sk.builtin.str.$emptystr";return this._gr("formatted","Sk.abstr.objectFormat("+b+","+a+")")};a.prototype.vexpr=function(a,b,c,k){var d;a.lineno>this.u.lineno&&(this.u.lineno=a.lineno,this.u.linenoSet=!1);switch(a.constructor){case Sk.astnodes.BoolOp:return this.cboolop(a);case Sk.astnodes.BinOp:return this._gr("binop","Sk.abstr.numberBinOp(",this.vexpr(a.left),",",this.vexpr(a.right),",'",a.op.prototype._astname,"')");case Sk.astnodes.UnaryOp:return this._gr("unaryop",
 "Sk.abstr.numberUnaryOp(",this.vexpr(a.operand),",'",a.op.prototype._astname,"')");case Sk.astnodes.Lambda:return this.clambda(a);case Sk.astnodes.IfExp:return this.cifexp(a);case Sk.astnodes.Dict:return this.cdict(a);case Sk.astnodes.ListComp:return this.clistcomp(a);case Sk.astnodes.DictComp:return this.cdictcomp(a);case Sk.astnodes.SetComp:return this.csetcomp(a);case Sk.astnodes.GeneratorExp:return this.cgenexp(a);case Sk.astnodes.Yield:return this.cyield(a);case Sk.astnodes.Compare:return this.ccompare(a);
 case Sk.astnodes.Call:return b=this.ccall(a),this.annotateSource(a),b;case Sk.astnodes.Num:if("number"===typeof a.n)return a.n;if(a.n instanceof Sk.builtin.lng)return this.makeConstant("new Sk.builtin.lng('"+a.n.v.toString()+"')");if(a.n instanceof Sk.builtin.int_)return"number"===typeof a.n.v?this.makeConstant("new Sk.builtin.int_("+a.n.v+")"):this.makeConstant("new Sk.builtin.int_('"+a.n.v.toString()+"')");if(a.n instanceof Sk.builtin.float_)return a=0===a.n.v&&-Infinity===1/a.n.v?"-0":a.n.v,this.makeConstant("new Sk.builtin.float_("+
 a+")");if(a.n instanceof Sk.builtin.complex)return this.makeConstant("new Sk.builtin.complex("+(0===a.n.real&&-Infinity===1/a.n.real?"-0":a.n.real)+", "+(0===a.n.imag&&-Infinity===1/a.n.imag?"-0":a.n.imag)+")");Sk.asserts.fail("unhandled Num type");case Sk.astnodes.Bytes:if(Sk.__future__.python3){b=[];a=a.s.$jsstr();for(c=0;c<a.length;c++)b.push(a.charCodeAt(c));return this.makeConstant("new Sk.builtin.bytes([",b.join(", "),"])")}case Sk.astnodes.Str:return this.makeConstant("new Sk.builtin.str(",
 f(a.s.$jsstr()),")");case Sk.astnodes.Attribute:a.ctx!==Sk.astnodes.AugLoad&&a.ctx!==Sk.astnodes.AugStore&&(d=this.vexpr(a.value));k=a.attr.$r().v;k=k.substring(1,k.length-1);k=e(this.u.private_,new Sk.builtin.str(k)).v;k=this.makeConstant("new Sk.builtin.str('"+k+"')");switch(a.ctx){case Sk.astnodes.AugLoad:return l("$ret = ",c,".tp$getattr(",k,", true);"),this._checkSuspension(a),l("\nif ($ret === undefined) {"),l("\nthrow new Sk.builtin.AttributeError(",c,'.sk$attrError() + " has no attribute \'" + ',
 k,'.$jsstr() + "\'");'),l("\n};"),this._gr("lattr","$ret");case Sk.astnodes.Load:return l("$ret = ",d,".tp$getattr(",k,", true);"),this._checkSuspension(a),l("\nif ($ret === undefined) {"),l("\nthrow new Sk.builtin.AttributeError(",d,'.sk$attrError() + " has no attribute \'" + ',k,'.$jsstr() + "\'");'),l("\n};"),this._gr("lattr","$ret");case Sk.astnodes.AugStore:l("$ret = undefined;");l("if(",b,"!==undefined){");l("$ret = ",c,".tp$setattr(",k,",",b,", true);");l("}");this._checkSuspension(a);break;
 case Sk.astnodes.Store:l("$ret = ",d,".tp$setattr(",k,",",b,", true);");this._checkSuspension(a);break;case Sk.astnodes.Del:l("$ret = ",d,".tp$setattr(",k,", undefined, true);");this._checkSuspension(a);break;default:Sk.asserts.fail("invalid attribute expression")}break;case Sk.astnodes.Subscript:switch(a.ctx){case Sk.astnodes.AugLoad:return l("$ret = Sk.abstr.objectGetItem(",c,",",k,", true);"),this._checkSuspension(a),this._gr("gitem","$ret");case Sk.astnodes.Load:case Sk.astnodes.Store:case Sk.astnodes.Del:return this.vslice(a.slice,
 a.ctx,this.vexpr(a.value),b);case Sk.astnodes.AugStore:l("$ret=undefined;");l("if(",b,"!==undefined){");l("$ret=Sk.abstr.objectSetItem(",c,",",k,",",b,", true)");l("}");this._checkSuspension(a);break;default:Sk.asserts.fail("invalid subscript expression")}break;case Sk.astnodes.Name:return this.nameop(a.id,a.ctx,b);case Sk.astnodes.NameConstant:if(a.ctx===Sk.astnodes.Store||a.ctx===Sk.astnodes.AugStore||a.ctx===Sk.astnodes.Del)throw new Sk.builtin.SyntaxError("can not assign to a constant name");
 switch(a.value){case Sk.builtin.none.none$:return"Sk.builtin.none.none$";case Sk.builtin.bool.true$:return"Sk.builtin.bool.true$";case Sk.builtin.bool.false$:return"Sk.builtin.bool.false$";default:Sk.asserts.fail("invalid named constant")}break;case Sk.astnodes.List:return this.ctuplelistorset(a,b,"list");case Sk.astnodes.Tuple:return this.ctuplelistorset(a,b,"tuple");case Sk.astnodes.Set:return this.ctuplelistorset(a,b,"set");case Sk.astnodes.Starred:switch(a.ctx){case Sk.astnodes.Store:throw new Sk.builtin.SyntaxError("starred assignment target must be in a list or tuple",
 this.filename,a.lineno);default:throw new Sk.builtin.SyntaxError("can't use starred expression here",this.filename,a.lineno);}case Sk.astnodes.JoinedStr:return this.cjoinedstr(a);case Sk.astnodes.FormattedValue:return this.cformattedvalue(a);default:Sk.asserts.fail("unhandled case "+a.constructor.name+" vexpr")}};a.prototype.vseqexpr=function(a,b){var c;Sk.asserts.assert(void 0===b||a.length===b.length);var d=[];for(c=0;c<a.length;++c)d.push(this.vexpr(a[c],void 0===b?void 0:b[c]));return d};a.prototype.caugassign=
 function(a){Sk.asserts.assert(a instanceof Sk.astnodes.AugAssign);var b=a.target;switch(b.constructor){case Sk.astnodes.Attribute:var c=this.vexpr(b.value);b=new Sk.astnodes.Attribute(b.value,b.attr,Sk.astnodes.AugLoad,b.lineno,b.col_offset);var d=this.vexpr(b,void 0,c);var e=this.vexpr(a.value);a=this._gr("inplbinopattr","Sk.abstr.numberInplaceBinOp(",d,",",e,",'",a.op.prototype._astname,"')");b.ctx=Sk.astnodes.AugStore;return this.vexpr(b,a,c);case Sk.astnodes.Subscript:c=this.vexpr(b.value);var f=
 this.vslicesub(b.slice);b=new Sk.astnodes.Subscript(b.value,f,Sk.astnodes.AugLoad,b.lineno,b.col_offset);d=this.vexpr(b,void 0,c,f);e=this.vexpr(a.value);a=this._gr("inplbinopsubscr","Sk.abstr.numberInplaceBinOp(",d,",",e,",'",a.op.prototype._astname,"')");b.ctx=Sk.astnodes.AugStore;return this.vexpr(b,a,c,f);case Sk.astnodes.Name:return c=this.nameop(b.id,Sk.astnodes.Load),e=this.vexpr(a.value),a=this._gr("inplbinop","Sk.abstr.numberInplaceBinOp(",c,",",e,",'",a.op.prototype._astname,"')"),this.nameop(b.id,
 Sk.astnodes.Store,a);default:Sk.asserts.fail("unhandled case in augassign")}};a.prototype.exprConstant=function(a){switch(a.constructor){case Sk.astnodes.Num:return Sk.misceval.isTrue(a.n)?1:0;case Sk.astnodes.Str:return Sk.misceval.isTrue(a.s)?1:0;default:return-1}};a.prototype.newBlock=function(a){var b=this.u.blocknum++;this.u.blocks[b]=[];this.u.blocks[b]._name=a||"<unnamed>";this.u.blocks[b]._next=null;return b};a.prototype.setBlock=function(a){Sk.asserts.assert(0<=a&&a<this.u.blocknum);this.u.curblock=
 a};a.prototype.pushBreakBlock=function(a){Sk.asserts.assert(0<=a&&a<this.u.blocknum);this.u.breakBlocks.push(a)};a.prototype.popBreakBlock=function(){this.u.breakBlocks.pop()};a.prototype.pushContinueBlock=function(a){Sk.asserts.assert(0<=a&&a<this.u.blocknum);this.u.continueBlocks.push(a)};a.prototype.popContinueBlock=function(){this.u.continueBlocks.pop()};a.prototype.pushExceptBlock=function(a){Sk.asserts.assert(0<=a&&a<this.u.blocknum);this.u.exceptBlocks.push(a)};a.prototype.popExceptBlock=function(){this.u.exceptBlocks.pop()};
 a.prototype.pushFinallyBlock=function(a){Sk.asserts.assert(0<=a&&a<this.u.blocknum);Sk.asserts.assert(this.u.breakBlocks.length===this.u.continueBlocks.length);this.u.finallyBlocks.push({blk:a,breakDepth:this.u.breakBlocks.length})};a.prototype.popFinallyBlock=function(){this.u.finallyBlocks.pop()};a.prototype.peekFinallyBlock=function(){return 0<this.u.finallyBlocks.length?this.u.finallyBlocks[this.u.finallyBlocks.length-1]:void 0};a.prototype.setupExcept=function(a){l("$exc.push(",a,");")};a.prototype.endExcept=
 function(){l("$exc.pop();")};a.prototype.outputLocals=function(a){var b,c={};for(b=0;a.argnames&&b<a.argnames.length;++b)c[a.argnames[b]]=!0;a.localnames.sort();var d=[];for(b=0;b<a.localnames.length;++b){var e=a.localnames[b];void 0===c[e]&&(d.push(e),c[e]=!0)}return 0<d.length?"var "+d.join(",")+"; /* locals */":""};a.prototype.outputSuspensionHelpers=function(a){var b,c=[],d=a.localnames.concat(a.tempsToSave),e={},f=a.ste.blockType===Sk.SYMTAB_CONSTS.FunctionBlock&&a.ste.childHasFree,h=(0<d.length?
 "var "+d.join(",")+";":"")+"var $wakeFromSuspension = function() {var susp = "+a.scopename+".$wakingSuspension; "+a.scopename+".$wakingSuspension = undefined;$blk=susp.$blk; $loc=susp.$loc; $gbl=susp.$gbl; $exc=susp.$exc; $err=susp.$err; $postfinally=susp.$postfinally;$currLineNo=susp.$lineno; $currColNo=susp.$colno; Sk.lastYield=Date.now();"+(f?"$cell=susp.$cell;":"");for(b=0;b<d.length;b++){var l=d[b];void 0===e[l]&&(h+=l+"=susp.$tmps."+l+";",e[l]=!0)}h+="try { $ret=susp.child.resume(); } catch(err) { if (!(err instanceof Sk.builtin.BaseException)) { err = new Sk.builtin.ExternalError(err); } err.traceback.push({lineno: $currLineNo, colno: $currColNo, filename: '"+
 this.filename+"'}); if($exc.length>0) { $err=err; $blk=$exc.pop(); } else { throw err; } }};";h+="var $saveSuspension = function($child, $filename, $lineno, $colno) {var susp = new Sk.misceval.Suspension(); susp.child=$child;susp.resume=function(){"+a.scopename+".$wakingSuspension=susp; return "+a.scopename+"("+(a.ste.generator?"$gen":"")+"); };susp.data=susp.child.data;susp.$blk=$blk;susp.$loc=$loc;susp.$gbl=$gbl;susp.$exc=$exc;susp.$err=$err;susp.$postfinally=$postfinally;susp.$filename=$filename;susp.$lineno=$lineno;susp.$colno=$colno;susp.optional=susp.child.optional;"+
 (f?"susp.$cell=$cell;":"");e={};for(b=0;b<d.length;b++)l=d[b],void 0===e[l]&&(c.push('"'+l+'":'+l),e[l]=!0);return h+="susp.$tmps={"+c.join(",")+"};return susp;};"};a.prototype.outputAllUnits=function(){var a,b,c="";for(b=0;b<this.allUnits.length;++b){var e=this.allUnits[b];c+=e.prefixCode;c+=this.outputLocals(e);e.doesSuspend&&(c+=this.outputSuspensionHelpers(e));c+=e.varDeclsCode;c+=e.switchCode;var f=e.blocks;var h=Object.create(null);for(a=0;a<f.length;++a){var l=a;if(!(l in h))for(;;)if(h[l]=
 !0,c+="case "+l+": /* --- "+f[l]._name+" --- */",c+=f[l].join(""),null!==f[l]._next)if(f[l]._next in h){c+="/* jump */ continue;";break}else c+="/* allowing case fallthrough */",l=f[l]._next;else{c+="throw new Sk.builtin.SystemError('internal error: unterminated block');";break}}c+=e.suffixCode}return c};a.prototype.cif=function(a){var b;Sk.asserts.assert(a instanceof Sk.astnodes.If);var c=this.exprConstant(a.test);if(0===c)a.orelse&&0<a.orelse.length&&this.vseqstmt(a.orelse);else if(1===c)this.vseqstmt(a.body);
 else{var d=this.newBlock("end of if");a.orelse&&0<a.orelse.length&&(b=this.newBlock("next branch of if"));c=this.vexpr(a.test);a.orelse&&0<a.orelse.length?(this._jumpfalse(c,b),this.vseqstmt(a.body),this._jump(d),this.setBlock(b),this.vseqstmt(a.orelse)):(this._jumpfalse(c,d),this.vseqstmt(a.body));this._jump(d);this.setBlock(d)}};a.prototype.cwhile=function(a){if(0===this.exprConstant(a.test))a.orelse&&this.vseqstmt(a.orelse);else{var b=this.newBlock("while test");this._jump(b);this.setBlock(b);
 var c=this.newBlock("after while");var d=0<a.orelse.length?this.newBlock("while orelse"):null;var e=this.newBlock("while body");this.annotateSource(a);this._jumpfalse(this.vexpr(a.test),d?d:c);this._jump(e);this.pushBreakBlock(c);this.pushContinueBlock(b);this.setBlock(e);(Sk.debugging||Sk.killableWhile)&&this.u.canSuspend&&(e=this.newBlock("debug breakpoint for line "+a.lineno),l("if (Sk.breakpoints('"+this.filename+"',"+a.lineno+","+a.col_offset+")) {","var $susp = $saveSuspension({data: {type: 'Sk.delay'}, resume: function() {}}, '"+
 this.filename+"',"+a.lineno+","+a.col_offset+");","$susp.$blk = "+e+";","$susp.optional = true;","return $susp;","}"),this._jump(e),this.setBlock(e),this.u.doesSuspend=!0);this.vseqstmt(a.body);this._jump(b);this.popContinueBlock();this.popBreakBlock();0<a.orelse.length&&(this.setBlock(d),this.vseqstmt(a.orelse),this._jump(c));this.setBlock(c)}};a.prototype.cfor=function(a){var b=this.newBlock("for start"),c=this.newBlock("for cleanup"),d=this.newBlock("for end");this.pushBreakBlock(d);this.pushContinueBlock(b);
 var e=this.vexpr(a.iter);if(this.u.ste.generator){var f="$loc."+this.gensym("iter");l(f,"=Sk.abstr.iter(",e,");")}else f=this._gr("iter","Sk.abstr.iter(",e,")"),this.u.tempsToSave.push(f);this._jump(b);this.setBlock(b);l("$ret = Sk.abstr.iternext(",f,this.u.canSuspend?", true":", false",");");this._checkSuspension(a);f=this._gr("next","$ret");this._jumpundef(f,c);this.vexpr(a.target,f);(Sk.debugging||Sk.killableFor)&&this.u.canSuspend&&(f=this.newBlock("debug breakpoint for line "+a.lineno),l("if (Sk.breakpoints('"+
 this.filename+"',"+a.lineno+","+a.col_offset+")) {","var $susp = $saveSuspension({data: {type: 'Sk.delay'}, resume: function() {}}, '"+this.filename+"',"+a.lineno+","+a.col_offset+");","$susp.$blk = "+f+";","$susp.optional = true;","return $susp;","}"),this._jump(f),this.setBlock(f),this.u.doesSuspend=!0);this.vseqstmt(a.body);this._jump(b);this.setBlock(c);this.popContinueBlock();this.popBreakBlock();this.vseqstmt(a.orelse);this._jump(d);this.setBlock(d)};a.prototype.craise=function(a){if(a.exc){var b=
 this._gr("exc",this.vexpr(a.exc)),c=this.newBlock("exception now instantiated"),d=this._gr("isclass",b+".prototype instanceof Sk.builtin.BaseException");this._jumpfalse(d,c);a.inst?(d=this._gr("inst",this.vexpr(a.inst)),l("if(!(",d," instanceof Sk.builtin.tuple)) {",d,"= new Sk.builtin.tuple([",d,"]);","}"),l("$ret = Sk.misceval.callsimOrSuspendArray(",b,",",d,".v);")):l("$ret = Sk.misceval.callsimOrSuspend(",b,");");this._checkSuspension(a);l(b,"=$ret;");this._jump(c);this.setBlock(c);l("if (",b,
 " instanceof Sk.builtin.BaseException) {throw ",b,";} else {throw new Sk.builtin.TypeError('exceptions must derive from BaseException');};")}else l("throw $err;")};a.prototype.outputFinallyCascade=function(a){if(0==this.u.finallyBlocks.length)l("if($postfinally!==undefined) { if ($postfinally.returning) { return $postfinally.returning; } else { $blk=$postfinally.gotoBlock; $postfinally=undefined; continue; } }");else{var b=this.peekFinallyBlock();l("if($postfinally!==undefined) {","if ($postfinally.returning",
 b.breakDepth==a.breakDepth?"|| $postfinally.isBreak":"",") {","$blk=",b.blk,";continue;","} else {","$blk=$postfinally.gotoBlock;$postfinally=undefined;continue;","}","}")}};a.prototype.ctry=function(a){var b,c=a.handlers.length;if(a.finalbody){var d=this.newBlock("finalbody");var e=this.newBlock("finalexh");var f=this._gr("finally_reraise","undefined");this.u.tempsToSave.push(f);this.pushFinallyBlock(d);var h=this.peekFinallyBlock();this.setupExcept(e)}var m=[];for(b=0;b<c;++b)m.push(this.newBlock("except_"+
 b+"_"));var q=this.newBlock("unhandled");var B=this.newBlock("orelse");var E=this.newBlock("end");0!=m.length&&this.setupExcept(m[0]);this.vseqstmt(a.body);0!=m.length&&this.endExcept();this._jump(B);for(b=0;b<c;++b){this.setBlock(m[b]);var F=a.handlers[b];if(!F.type&&b<c-1)throw new Sk.builtin.SyntaxError("default 'except:' must be last",this.filename,F.lineno);if(F.type){var K=this.vexpr(F.type);var G=b==c-1?q:m[b+1];K=this._gr("instance","Sk.misceval.isTrue(Sk.builtin.isinstance($err, ",K,"))");
 this._jumpfalse(K,G)}F.name&&this.vexpr(F.name,"$err");this.vseqstmt(F.body);this._jump(E)}this.setBlock(q);l("throw $err;");this.setBlock(B);this.vseqstmt(a.orelse);this._jump(E);this.setBlock(E);a.finalbody&&(this.endExcept(),this._jump(d),this.setBlock(e),l(f,"=$err;"),this._jump(d),this.setBlock(d),this.popFinallyBlock(),this.vseqstmt(a.finalbody),l("if(",f,"!==undefined) { throw ",f,";}"),this.outputFinallyCascade(h))};a.prototype.cwith=function(a,b){var c=this.newBlock("withexh"),d=this.newBlock("withtidyup"),
 e=this.newBlock("withcarryon");var f=this._gr("mgr",this.vexpr(a.items[b].context_expr));l("$ret = Sk.abstr.lookupSpecial(",f,",Sk.builtin.str.$exit);");this._checkSuspension(a);var g=this._gr("exit","$ret");this.u.tempsToSave.push(g);l("$ret = Sk.abstr.lookupSpecial(",f,",Sk.builtin.str.$enter);");this._checkSuspension(a);l("$ret = Sk.misceval.callsimOrSuspendArray($ret);");this._checkSuspension(a);f=this._gr("value","$ret");this.pushFinallyBlock(d);var h=this.u.finallyBlocks[this.u.finallyBlocks.length-
 1];this.setupExcept(c);a.items[b].optional_vars&&this.nameop(a.items[b].optional_vars.id,Sk.astnodes.Store,f);b+1<a.items.length?this.cwith(a,b+1):this.vseqstmt(a.body);this.endExcept();this._jump(d);this.setBlock(c);l("$ret = Sk.misceval.applyOrSuspend(",g,",undefined,Sk.builtin.getExcInfo($err),undefined,[]);");this._checkSuspension(a);this._jumptrue("$ret",e);l("throw $err;");this.setBlock(d);this.popFinallyBlock();l("$ret = Sk.misceval.callsimOrSuspendArray(",g,",[Sk.builtin.none.none$,Sk.builtin.none.none$,Sk.builtin.none.none$]);");
 this._checkSuspension(a);this.outputFinallyCascade(h);this._jump(e);this.setBlock(e)};a.prototype.cassert=function(a){var b=this.vexpr(a.test),c=this.newBlock("end");this._jumptrue(b,c);l("throw new Sk.builtin.AssertionError(",a.msg?this.vexpr(a.msg):"",");");this.setBlock(c)};a.prototype.cimportas=function(a,b,c){a=a.v;var d=a.indexOf("."),e=c;if(-1!==d)for(a=a.substr(d+1);-1!==d;)d=a.indexOf("."),c=-1!==d?a.substr(0,d):a,e=this._gr("lattr","Sk.abstr.gattr(",e,", new Sk.builtin.str('",c,"'))"),a=
 a.substr(d+1);return this.nameop(b,Sk.astnodes.Store,e)};a.prototype.cimport=function(a){var b,c=a.names.length;for(b=0;b<c;++b){var d=a.names[b];l("$ret = Sk.builtin.__import__(",d.name.$r().v,",$gbl,$loc,[],",Sk.__future__.absolute_import?0:-1,");");this._checkSuspension(a);var e=this._gr("module","$ret");if(d.asname)this.cimportas(d.name,d.asname,e);else{var f=d.name;d=f.v.indexOf(".");-1!==d&&(f=new Sk.builtin.str(f.v.substr(0,d)));this.nameop(f,Sk.astnodes.Store,e)}}};a.prototype.cfromimport=
 function(a){var c,d=a.names.length;var e=[];var f=a.level;0!=f||Sk.__future__.absolute_import||(f=-1);for(c=0;c<d;++c)e[c]="'"+b(a.names[c].name.v)+"'";l("$ret = Sk.builtin.__import__(",a.module.$r().v,",$gbl,$loc,[",e,"],",f,");");this._checkSuspension(a);f=this._gr("module","$ret");for(c=0;c<d;++c){e=a.names[c];var h="'"+e.name.v+"'";if(0===c&&"*"===e.name.v){Sk.asserts.assert(1===d);l("Sk.importStar(",f,",$loc, $gbl);");break}var m=this._gr("item","Sk.abstr.gattr(",f,", new Sk.builtin.str(",h,
 "), undefined)");h=e.name;e.asname&&(h=e.asname);this.nameop(h,Sk.astnodes.Store,m)}};a.prototype.buildcodeobj=function(a,c,f,k,h,m){var d=[],g,n=[],p=[],q=[],w=null,K=null;f&&(n=this.vseqexpr(f));k&&k.defaults&&(p=this.vseqexpr(k.defaults));k&&k.kw_defaults&&(q=k.kw_defaults.map(a=>a?this.vexpr(a):"undefined"));k&&k.vararg&&(w=k.vararg);k&&k.kwarg&&(K=k.kwarg);if(!Sk.__future__.python3&&k&&k.kwonlyargs&&0!=k.kwonlyargs.length)throw new Sk.builtin.SyntaxError("Keyword-only arguments are not supported in Python 2");
 var G=this.enterScope(c,a,a.lineno,this.canSuspend);f=this.u.ste.generator;var U=this.u.ste.hasFree;var C=this.u.ste.childHasFree;var N=this.newBlock("codeobj entry");this.u.prefixCode="var "+G+"=(function "+this.niceName(c.v)+"$(";var u=[];if(f){if(K)throw new Sk.builtin.SyntaxError(c.v+"(): keyword arguments in generators not supported",this.filename,a.lineno);if(w)throw new Sk.builtin.SyntaxError(c.v+"(): variable number of arguments in generators not supported",this.filename,a.lineno);u.push("$gen")}else{K&&
 (u.push("$kwa"),this.u.tempsToSave.push("$kwa"));for(g=0;k&&g<k.args.length;++g)u.push(this.nameop(k.args[g].arg,Sk.astnodes.Param));for(g=0;k&&k.kwonlyargs&&g<k.kwonlyargs.length;++g)u.push(this.nameop(k.kwonlyargs[g].arg,Sk.astnodes.Param));w&&u.push(this.nameop(k.vararg.arg,Sk.astnodes.Param))}let R=!f;U&&(R||u.push("$free"),this.u.tempsToSave.push("$free"));this.u.prefixCode=R?this.u.prefixCode+"$posargs,$kwargs":this.u.prefixCode+u.join(",");this.u.prefixCode+="){";f&&(this.u.prefixCode+="\n// generator\n");
 U&&(this.u.prefixCode+="\n// has free\n");C&&(this.u.prefixCode+="\n// has cell\n");R&&(this.u.prefixCode+="\n// fast call\n");var O="{}";f&&(N="$gen.gi$resumeat",O="$gen.gi$locals");g=",$cell={}";C&&f&&(g=",$cell=$gen.gi$cells");this.u.varDeclsCode+="var $blk="+N+",$exc=[],$loc="+O+g+",$gbl="+(R?"this && this.func_globals":"this")+(R&&U?",$free=this && this.func_closure":"")+",$err=undefined,$ret=undefined,$postfinally=undefined,$currLineNo=undefined,$currColNo=undefined;";null!==Sk.execLimit&&(this.u.varDeclsCode+=
 "if (typeof Sk.execStart === 'undefined') {Sk.execStart = Date.now()}");null!==Sk.yieldLimit&&this.u.canSuspend&&(this.u.varDeclsCode+="if (typeof Sk.lastYield === 'undefined') {Sk.lastYield = Date.now()}");this.u.varDeclsCode+="if ("+G+".$wakingSuspension!==undefined) { $wakeFromSuspension(); } else {";if(R){this.u.varDeclsCode=K||w||k&&k.kwonlyargs&&0!==k.kwonlyargs.length?this.u.varDeclsCode+"\nvar $args = this.$resolveArgs($posargs,$kwargs)\n":this.u.varDeclsCode+("var $args = ((!$kwargs || $kwargs.length===0) && $posargs.length==="+
 u.length+") ? $posargs : this.$resolveArgs($posargs,$kwargs)");for(g=0;g<u.length;g++)this.u.varDeclsCode+=","+u[g]+"=$args["+g+"]";this.u.varDeclsCode+=";\n"}if(f&&0<p.length)for(N=k.args.length-p.length,g=0;g<p.length;++g)u=this.nameop(k.args[g+N].arg,Sk.astnodes.Param),this.u.varDeclsCode+="if("+u+"===undefined)"+u+"="+G+".$defaults["+g+"];";for(g=0;k&&g<k.args.length;++g)u=k.args[g].arg,this.isCell(u)&&(u=b(e(this.u.private_,u).v),this.u.varDeclsCode+="$cell."+u+"="+u+";");for(g=0;k&&k.kwonlyargs&&
 g<k.kwonlyargs.length;++g)u=k.kwonlyargs[g].arg,this.isCell(u)&&(u=b(e(this.u.private_,u).v),this.u.varDeclsCode+="$cell."+u+"="+u+";");w&&this.isCell(w.arg)&&(g=b(e(this.u.private_,w.arg).v),this.u.varDeclsCode+="$cell."+g+"="+g+";");K&&(this.u.localnames.push(K.arg.v),this.u.varDeclsCode+=K.arg.v+"=new Sk.builtins['dict']($kwa);",this.isCell(K.arg)&&(g=b(e(this.u.private_,K.arg).v),this.u.varDeclsCode+="$cell."+g+"="+g+";"));this.u.varDeclsCode+="}";Sk.__future__.python3&&m&&(this.u.varDeclsCode+=
 "$gbl.__class__=$gbl."+m.v+";");this.u.switchCode="while(true){try{";this.u.switchCode+=this.outputInterruptTest();this.u.switchCode+="switch($blk){";this.u.suffixCode="} }catch(err){ if (!(err instanceof Sk.builtin.BaseException)) { err = new Sk.builtin.ExternalError(err); } err.traceback.push({lineno: $currLineNo, colno: $currColNo, filename: '"+this.filename+"'}); if ($exc.length>0) { $err = err; $blk=$exc.pop(); continue; } else { throw err; }} }});";h.call(this,G);if(k){for(let a of k.args)d.push(a.arg.v);
 for(let a of k.kwonlyargs||[])d.push(a.arg.v);this.u.argnames=d}this.exitScope();0<p.length&&l(G,".$defaults=[",p.join(","),"];");k&&k.kwonlyargs&&0<k.kwonlyargs.length&&(l(G,".co_argcount=",k.args.length,";"),l(G,".co_kwonlyargcount=",k.kwonlyargs.length,";"),l(G,".$kwdefs=[",q.join(","),"];"));0<d.length?l(G,".co_varnames=['",d.join("','"),"'];"):l(G,".co_varnames=[];");l(G,".co_docstring=",this.cDocstringOfCode(a),";");K&&l(G,".co_kwargs=1;");w&&l(G,".co_varargs=1;");f||l(G,".co_fastcall=1;");
 a="";U&&(a=",$cell",(h=this.u.ste.hasFree)&&(a+=",$free"));if(f)return k&&0<k.args.length?this._gr("gener","new Sk.builtins['function']((function(){var $origargs=Array.prototype.slice.call(arguments);Sk.builtin.pyCheckArgsLen(\"",c.v,'",arguments.length,',k.args.length-p.length,",",k.args.length,");return new Sk.builtins['generator'](",G,",$gbl,$origargs",a,");}))"):this._gr("gener","new Sk.builtins['function']((function(){Sk.builtin.pyCheckArgsLen(\"",c.v,"\",arguments.length,0,0);return new Sk.builtins['generator'](",
 G,",$gbl,[]",a,");}))");if(0<n.length){l("$ret = new Sk.builtins['function'](",G,",$gbl",a,");");for(let a of n.reverse())l("$ret = Sk.misceval.callsimOrSuspendArray(",a,",[$ret]);"),this._checkSuspension();return this._gr("funcobj","$ret")}return this._gr("funcobj","new Sk.builtins['function'](",G,",$gbl",a,")")};a.prototype.maybeCDocstringOfBody=function(a){if(0===a.length)return null;a=a[0];if(a.constructor!==Sk.astnodes.Expr)return null;a=a.value;return a.constructor!==Sk.astnodes.Str?null:this.vexpr(a)};
 a.prototype.cDocstringOfCode=function(a){switch(a.constructor){case Sk.astnodes.AsyncFunctionDef:case Sk.astnodes.FunctionDef:return this.maybeCDocstringOfBody(a.body)||"Sk.builtin.none.none$";case Sk.astnodes.Lambda:case Sk.astnodes.GeneratorExp:return"Sk.builtin.none.none$";default:Sk.asserts.fail(`unexpected node kind ${a.constructor.name}`)}};a.prototype.cfunction=function(a,b){Sk.asserts.assert(a instanceof Sk.astnodes.FunctionDef);b=this.buildcodeobj(a,a.name,a.decorator_list,a.args,function(b){this.vseqstmt(a.body);
 l("return Sk.builtin.none.none$;")},b);this.nameop(a.name,Sk.astnodes.Store,b)};a.prototype.clambda=function(a){Sk.asserts.assert(a instanceof Sk.astnodes.Lambda);return this.buildcodeobj(a,new Sk.builtin.str("<lambda>"),null,a.args,function(b){b=this.vexpr(a.body);l("return ",b,";")})};a.prototype.cifexp=function(a){var b=this.newBlock("next of ifexp"),c=this.newBlock("end of ifexp"),d=this._gr("res","null"),e=this.vexpr(a.test);this._jumpfalse(e,b);l(d,"=",this.vexpr(a.body),";");this._jump(c);
 this.setBlock(b);l(d,"=",this.vexpr(a.orelse),";");this._jump(c);this.setBlock(c);return d};a.prototype.cgenexpgen=function(a,b,c){var d=this.newBlock("start for "+b),e=this.newBlock("skip for "+b);this.newBlock("if cleanup for "+b);var f=this.newBlock("end for "+b),g=a[b];if(0===b)var h="$loc.$iter0";else{var m=this.vexpr(g.iter);h="$loc."+this.gensym("iter");l(h,"=","Sk.abstr.iter(",m,");")}this._jump(d);this.setBlock(d);this.annotateSource(c);l("$ret = Sk.abstr.iternext(",h,this.u.canSuspend?", true":
 ", false",");");this._checkSuspension(c);m=this._gr("next","$ret");this._jumpundef(m,f);this.vexpr(g.target,m);var n=g.ifs?g.ifs.length:0;for(h=0;h<n;++h)this.annotateSource(g.ifs[h]),m=this.vexpr(g.ifs[h]),this._jumpfalse(m,d);++b<a.length&&this.cgenexpgen(a,b,c);b>=a.length&&(this.annotateSource(c),a=this.vexpr(c),l("return [",e,"/*resume*/,",a,"/*ret*/];"),this.setBlock(e));this._jump(d);this.setBlock(f);1===b&&l("return Sk.builtin.none.none$;")};a.prototype.cgenexp=function(a){var b=this.buildcodeobj(a,
 new Sk.builtin.str("<genexpr>"),null,null,function(b){this.cgenexpgen(a.generators,0,a.elt)});b=this._gr("gener","Sk.misceval.callsimArray(",b,");");l(b,".gi$locals.$iter0=Sk.abstr.iter(",this.vexpr(a.generators[0].iter),");");return b};a.prototype.cclass=function(a){Sk.asserts.assert(a instanceof Sk.astnodes.ClassDef);var b=this.vseqexpr(a.decorator_list);var c=this.vseqexpr(a.bases);var d=this.enterScope(a.name,a,a.lineno);var e=this.newBlock("class entry");this.u.prefixCode="var "+d+"=(function $"+
 a.name.v+"$class_outer($globals,$locals,$cell){var $gbl=$globals,$loc=$locals;$free=$globals;";this.u.switchCode+="(function $"+a.name.v+"$_closure($cell){";this.u.switchCode+="var $blk="+e+",$exc=[],$ret=undefined,$postfinally=undefined,$currLineNo=undefined,$currColNo=undefined;";null!==Sk.execLimit&&(this.u.switchCode+="if (typeof Sk.execStart === 'undefined') {Sk.execStart = Date.now()}");null!==Sk.yieldLimit&&this.u.canSuspend&&(this.u.switchCode+="if (typeof Sk.lastYield === 'undefined') {Sk.lastYield = Date.now()}");
 this.u.switchCode+="while(true){try{";this.u.switchCode+=this.outputInterruptTest();this.u.switchCode+="switch($blk){";this.u.suffixCode="}}catch(err){ if (!(err instanceof Sk.builtin.BaseException)) { err = new Sk.builtin.ExternalError(err); } err.traceback.push({lineno: $currLineNo, colno: $currColNo, filename: '"+this.filename+"'}); if ($exc.length>0) { $err = err; $blk=$exc.pop(); continue; } else { throw err; }}}";this.u.suffixCode+="}).call(null, $cell);});";this.u.private_=a.name;this.cbody(a.body,
 a.name);l("return;");this.exitScope();l("$ret = Sk.misceval.buildClass($gbl,",d,",",a.name.$r().v,",[",c,"], $cell);");for(let a of b)l("$ret = Sk.misceval.callsimOrSuspendArray(",a,", [$ret]);"),this._checkSuspension();this.nameop(a.name,Sk.astnodes.Store,"$ret")};a.prototype.ccontinue=function(a){var b=this.peekFinallyBlock();if(0==this.u.continueBlocks.length)throw new Sk.builtin.SyntaxError("'continue' outside loop",this.filename,a.lineno);a=this.u.continueBlocks[this.u.continueBlocks.length-
 1];Sk.asserts.assert(this.u.breakBlocks.length===this.u.continueBlocks.length);b&&b.breakDepth==this.u.continueBlocks.length?l("$postfinally={isBreak:true,gotoBlock:",a,"};"):this._jump(a)};a.prototype.cbreak=function(a){var b=this.peekFinallyBlock();if(0===this.u.breakBlocks.length)throw new Sk.builtin.SyntaxError("'break' outside loop",this.filename,a.lineno);a=this.u.breakBlocks[this.u.breakBlocks.length-1];b&&b.breakDepth==this.u.breakBlocks.length?l("$postfinally={isBreak:true,gotoBlock:",a,
 "};"):this._jump(a)};a.prototype.vstmt=function(a,b){this.u.lineno=a.lineno;this.u.linenoSet=!1;this.u.localtemps=[];if(Sk.debugging&&this.u.canSuspend){var c=this.newBlock("debug breakpoint for line "+a.lineno);l("if (Sk.breakpoints('"+this.filename+"',"+a.lineno+","+a.col_offset+")) {","var $susp = $saveSuspension({data: {type: 'Sk.debug'}, resume: function() {}}, '"+this.filename+"',"+a.lineno+","+a.col_offset+");","$susp.$blk = "+c+";","$susp.optional = true;","return $susp;","}");this._jump(c);
 this.setBlock(c);this.u.doesSuspend=!0}this.annotateSource(a);switch(a.constructor){case Sk.astnodes.FunctionDef:this.cfunction(a,b);break;case Sk.astnodes.ClassDef:this.cclass(a);break;case Sk.astnodes.Return:if(this.u.ste.blockType!==Sk.SYMTAB_CONSTS.FunctionBlock)throw new Sk.builtin.SyntaxError("'return' outside function",this.filename,a.lineno);c=a.value?this.vexpr(a.value):"Sk.builtin.none.none$";0==this.u.finallyBlocks.length?l("return ",c,";"):(l("$postfinally={returning:",c,"};"),this._jump(this.peekFinallyBlock().blk));
 break;case Sk.astnodes.Delete:this.vseqexpr(a.targets);break;case Sk.astnodes.Assign:var d=a.targets.length;c=this.vexpr(a.value);for(b=0;b<d;++b)this.vexpr(a.targets[b],c);break;case Sk.astnodes.AnnAssign:c=this.vexpr(a.value);this.vexpr(a.target,c);this.vexpr(a.annotation);break;case Sk.astnodes.AugAssign:return this.caugassign(a);case Sk.astnodes.Print:this.cprint(a);break;case Sk.astnodes.For:return this.cfor(a);case Sk.astnodes.While:return this.cwhile(a);case Sk.astnodes.If:return this.cif(a);
 case Sk.astnodes.Raise:return this.craise(a);case Sk.astnodes.Try:return this.ctry(a);case Sk.astnodes.With:return this.cwith(a,0);case Sk.astnodes.Assert:return this.cassert(a);case Sk.astnodes.Import:return this.cimport(a);case Sk.astnodes.ImportFrom:return this.cfromimport(a);case Sk.astnodes.Global:break;case Sk.astnodes.Expr:this.vexpr(a.value);break;case Sk.astnodes.Pass:break;case Sk.astnodes.Break:this.cbreak(a);break;case Sk.astnodes.Continue:this.ccontinue(a);break;case Sk.astnodes.Debugger:l("debugger;");
 break;default:Sk.asserts.fail("unhandled case in vstmt: "+JSON.stringify(a))}};a.prototype.vseqstmt=function(a){var b;for(b=0;b<a.length;++b)this.vstmt(a[b])};a.prototype.isCell=function(a){a=b(e(this.u.private_,a).v);return this.u.ste.getScope(a)===Sk.SYMTAB_CONSTS.CELL};a.prototype.nameop=function(a,c,f){if((c===Sk.astnodes.Store||c===Sk.astnodes.AugStore||c===Sk.astnodes.Del)&&"__debug__"===a.v)throw new Sk.builtin.SyntaxError("can not assign to __debug__",this.filename,this.u.lineno);Sk.asserts.assert("None"!==
 a.v);if("NotImplemented"===a.v)return"Sk.builtin.NotImplemented.NotImplemented$";var d=e(this.u.private_,a).v;d=b(d);var g=3;var h=this.u.ste.getScope(d);var m=null;switch(h){case Sk.SYMTAB_CONSTS.FREE:m="$free";g=2;break;case Sk.SYMTAB_CONSTS.CELL:m="$cell";g=2;break;case Sk.SYMTAB_CONSTS.LOCAL:this.u.ste.blockType!==Sk.SYMTAB_CONSTS.FunctionBlock||this.u.ste.generator||(g=0);break;case Sk.SYMTAB_CONSTS.GLOBAL_IMPLICIT:this.u.ste.blockType===Sk.SYMTAB_CONSTS.FunctionBlock&&(g=1);break;case Sk.SYMTAB_CONSTS.GLOBAL_EXPLICIT:g=
 1}Sk.asserts.assert(h||"_"===a.v.charAt(1));a=d;this.u.ste.generator||this.u.ste.blockType!==Sk.SYMTAB_CONSTS.FunctionBlock?d="$loc."+d:(0===g||3===g)&&this.u.localnames.push(d);switch(g){case 0:switch(c){case Sk.astnodes.Load:case Sk.astnodes.Param:return l("if (",d," === undefined) { throw new Sk.builtin.UnboundLocalError('local variable \\'",d,"\\' referenced before assignment'); }\n"),d;case Sk.astnodes.Store:l(d,"=",f,";");break;case Sk.astnodes.Del:l("delete ",d,";");break;default:Sk.asserts.fail("unhandled")}break;
 case 3:switch(c){case Sk.astnodes.Load:return this._gr("loadname",d,"!==undefined?",d,":Sk.misceval.loadname('",a,"',$gbl);");case Sk.astnodes.Store:l(d,"=",f,";");break;case Sk.astnodes.Del:l("delete ",d,";");break;case Sk.astnodes.Param:return d;default:Sk.asserts.fail("unhandled")}break;case 1:switch(c){case Sk.astnodes.Load:return this._gr("loadgbl","Sk.misceval.loadname('",a,"',$gbl)");case Sk.astnodes.Store:l("$gbl.",a,"=",f,";");break;case Sk.astnodes.Del:l("delete $gbl.",a);break;default:Sk.asserts.fail("unhandled case in name op_global")}break;
 case 2:switch(c){case Sk.astnodes.Load:return m+"."+a;case Sk.astnodes.Store:l(m,".",a,"=",f,";");break;case Sk.astnodes.Param:return a;default:Sk.asserts.fail("unhandled case in name op_deref")}break;default:Sk.asserts.fail("unhandled case")}};a.prototype.enterScope=function(a,b,e,f){var d=new c;d.ste=this.st.getStsForAst(b);d.name=a;d.firstlineno=e;d.canSuspend=f||!1;this.u&&this.u.private_&&(d.private_=this.u.private_);this.stack.push(this.u);this.allUnits.push(d);a=this.gensym("scope");d.scopename=
 a;this.u=d;this.u.activateScope();this.nestlevel++;return a};a.prototype.exitScope=function(){var a=this.u;this.nestlevel--;(this.u=0<=this.stack.length-1?this.stack.pop():null)&&this.u.activateScope();if("<module>"!==a.name.v){var b=a.name.$r().v;b=b.substring(1,b.length-1);l(a.scopename,".co_name=new Sk.builtins['str']('",b,"');");this.stack.length&&"class"==this.u.ste.blockType&&l(a.scopename,".co_qualname=new Sk.builtins['str']('"+this.u.name.v+"."+b+"');")}for(var c in a.consts)a.consts.hasOwnProperty(c)&&
 (a.suffixCode+=c+" = "+a.consts[c]+";")};a.prototype.cbody=function(a,b){var c=0;const d=this.maybeCDocstringOfBody(a);null!==d&&(l("$loc.__doc__ = ",d,";"),c=1);for(;c<a.length;++c)this.vstmt(a[c],b)};a.prototype.cprint=function(a){var b;Sk.asserts.assert(a instanceof Sk.astnodes.Print);a.dest&&this.vexpr(a.dest);var c=a.values.length;for(b=0;b<c;++b)l("$ret = Sk.misceval.print_(","new Sk.builtins['str'](",this.vexpr(a.values[b]),").v);"),this._checkSuspension(a);a.nl&&(l("$ret = Sk.misceval.print_(",
 '"\\n");'),this._checkSuspension(a))};a.prototype.cmod=function(a){var b=this.enterScope(new Sk.builtin.str("<module>"),a,0,this.canSuspend),c=this.newBlock("module entry");this.u.prefixCode="var "+b+"=(function($forcegbl){";this.u.varDeclsCode="var $gbl = $forcegbl || {}, $blk="+c+",$exc=[],$loc=$gbl,$cell={},$err=undefined;$loc.__file__=new Sk.builtins.str('"+this.filename+"');var $ret=undefined,$postfinally=undefined,$currLineNo=undefined,$currColNo=undefined;";null!==Sk.execLimit&&(this.u.varDeclsCode+=
 "if (typeof Sk.execStart === 'undefined') {Sk.execStart = Date.now()}");null!==Sk.yieldLimit&&this.u.canSuspend&&(this.u.varDeclsCode+="if (typeof Sk.lastYield === 'undefined') {Sk.lastYield = Date.now()}");this.u.varDeclsCode+="if ("+b+".$wakingSuspension!==undefined) { $wakeFromSuspension(); }if (Sk.retainGlobals) {    if (Sk.globals) { $gbl = Sk.globals; Sk.globals = $gbl; $loc = $gbl; }    if (Sk.globals) { $gbl = Sk.globals; Sk.globals = $gbl; $loc = $gbl; $loc.__file__=new Sk.builtins.str('"+
 this.filename+"');}    else { Sk.globals = $gbl; }} else { Sk.globals = $gbl; }";this.u.switchCode="while(true){try{";this.u.switchCode+=this.outputInterruptTest();this.u.switchCode+="switch($blk){";this.u.suffixCode="}";this.u.suffixCode+="}catch(err){ if (!(err instanceof Sk.builtin.BaseException)) { err = new Sk.builtin.ExternalError(err); } err.traceback.push({lineno: $currLineNo, colno: $currColNo, filename: '"+this.filename+"'}); if ($exc.length>0) { $err = err; $blk=$exc.pop(); continue; } else { throw err; }} } });";
 switch(a.constructor){case Sk.astnodes.Module:this.cbody(a.body);l("return $loc;");break;default:Sk.asserts.fail("todo; unhandled case in compilerMod")}this.exitScope();this.result.push(this.outputAllUnits());return b};Sk.compile=function(b,c,e,f){e=Sk.__future__;Sk.__future__=Object.create(Sk.__future__);var d=Sk.parse(c,b),g=Sk.astFromParse(d.cst,c,d.flags);d=d.flags;var h=Sk.symboltable(g,c);b=new a(c,h,d,f,b);c=b.cmod(g);Sk.__future__=e;return{funcname:"$compiledmod",code:"$compiledmod = function() {"+
 b.result.join("")+"\nreturn "+c+";}();"}};Sk.exportSymbol("Sk.compile",Sk.compile);Sk.resetCompiler=function(){Sk.gensymcount=0};Sk.exportSymbol("Sk.resetCompiler",Sk.resetCompiler);Sk.fixReserved=b;Sk.exportSymbol("Sk.fixReserved",Sk.fixReserved);Sk.unfixReserved=function(a){return a.replace(/_\$rw\$$/,"")};Sk.exportSymbol("Sk.unfixReserved",Sk.unfixReserved);Sk.mangleName=e;Sk.exportSymbol("Sk.mangleName",Sk.mangleName);Sk.reservedWords_=h;Sk.exportSymbol("Sk.reservedWords_",Sk.reservedWords_)},
 function(m,q){Sk.sysmodules=new Sk.builtin.dict([]);Sk.realsyspath=void 0;Sk.importSearchPathForName=function(a,c,b){var e=a.replace(/\./g,"/"),f=function(a,b){return Sk.misceval.chain(Sk.misceval.tryCatch(function(){return Sk.read(a)},function(a){}),function(c){if(void 0!==c)return new Sk.misceval.Break({filename:a,code:c,packagePath:b})})};void 0===b&&(b=Sk.realsyspath);return Sk.misceval.iterFor(b.tp$iter(),function(a){return Sk.misceval.chain(f(a.v+"/"+e+c,!1),function(b){return b?b:f(a.v+"/"+
 e+"/__init__"+c,a.v+"/"+e)})})};Sk.importSetUpPath=function(a){if(!Sk.realsyspath){var c=[new Sk.builtin.str("src/builtin"),new Sk.builtin.str("src/lib"),new Sk.builtin.str(".")];for(a=0;a<Sk.syspath.length;++a)c.push(new Sk.builtin.str(Sk.syspath[a]));Sk.realsyspath=new Sk.builtin.list(c)}};Sk.importModuleInternal_=function(a,c,b,e,f,l,h){var d,g,m,k,p=null,q=void 0!==f?f.tp$getattr(Sk.builtin.str.$name):void 0,A=void 0!==q?q.v+".":"",t=void 0!==f?f.tp$getattr(Sk.builtin.str.$path):void 0;Sk.importSetUpPath(h);
 if(f&&!q){if(l)return;throw new Sk.builtin.ValueError("Attempted to import relative to invalid package (no name)");}void 0===b&&(b=A+a);var y=a.split(".");if(1<y.length){var B=y.slice(0,y.length-1).join(".");p=Sk.importModuleInternal_(B,c,void 0,void 0,f,l,h)}var E=Sk.misceval.chain(p,function(n){p=n;g=Sk.sysmodules.quick$lookup(new Sk.builtin.str(b));return void 0!==g?p||g:Sk.misceval.chain(void 0,function(){var b=a;if(1<y.length){if(!p)return;m=Sk.sysmodules.mp$subscript(new Sk.builtin.str(A+B));
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 a.split(".");return Sk.misceval.chain(void 0,function(){if(0!==f&&void 0!==d)return""===a?d:Sk.importModuleInternal_(a,void 0,h+"."+a,void 0,d,-1==f,!0)},function(b){return void 0===b?(h=d=void 0,Sk.importModuleInternal_(a,void 0,void 0,void 0,void 0,!1,!0)):b},function(b){if(e&&0!==e.length){var c;var d=Sk.sysmodules.mp$subscript(new Sk.builtin.str((h||"")+(h&&a?".":"")+a));for(b=0;b<e.length;b++){var f=e[b];"*"!=f&&void 0===d.tp$getattr(new Sk.builtin.str(f))&&(c=Sk.misceval.chain(c,Sk.importModuleInternal_.bind(null,
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 a.getitem(c-1)))b++;else break;else for(e=!1,c=a.base+2;c<a.base+a.len&&!this.lt(a.getitem(c),a.getitem(c-1));c++)b++;return{run:new Sk.builtin.listSlice(a.list,a.base,b),descending:e}};Sk.builtin.timSort.prototype.sort=function(){var a,c=new Sk.builtin.listSlice(this.list,0,this.listlength);if(!(2>c.len)){this.merge_init();for(a=this.merge_compute_minrun(c.len);0<c.len;){var b=this.count_run(c);b.descending&&b.run.reverse();if(b.run.len<a){var e=b.run.len;b.run.len=a<c.len?a:c.len;this.binary_sort(b.run,
 e)}c.advance(b.run.len);this.pending.push(b.run);this.merge_collapse()}Sk.asserts.assert(c.base==this.listlength);this.merge_force_collapse();Sk.asserts.assert(1==this.pending.length);Sk.asserts.assert(0===this.pending[0].base);Sk.asserts.assert(this.pending[0].len==this.listlength)}};Sk.builtin.timSort.prototype.gallop=function(a,c,b,e){var f;Sk.asserts.assert(0<=b&&b<c.len);var l=this;e=e?function(a,b){return l.le(a,b)}:function(a,b){return l.lt(a,b)};var h=c.base+b;var d=0;var g=1;if(e(c.getitem(h),
 a)){for(f=c.len-b;g<f;)if(e(c.getitem(h+g),a)){d=g;try{g=(g<<1)+1}catch(n){g=f}}else break;g>f&&(g=f);d+=b;g+=b}else{for(f=b+1;g<f&&!e(c.getitem(h-g),a);){d=g;try{g=(g<<1)+1}catch(n){g=f}}g>f&&(g=f);h=b-d;d=b-g;g=h}Sk.asserts.assert(-1<=d<g<=c.len);for(d+=1;d<g;)b=d+(g-d>>1),e(c.getitem(c.base+b),a)?d=b+1:g=b;Sk.asserts.assert(d==g);return g};Sk.builtin.timSort.prototype.merge_init=function(){this.min_gallop=this.MIN_GALLOP;this.pending=[]};Sk.builtin.timSort.prototype.merge_lo=function(a,c){var b,
 e,f;Sk.asserts.assert(0<a.len&&0<c.len&&a.base+a.len==c.base);var l=this.min_gallop;var h=a.base;a=a.copyitems();try{if(this.setitem(h,c.popleft()),h++,1!=a.len&&0!==c.len)for(;;){for(e=b=0;;)if(this.lt(c.getitem(c.base),a.getitem(a.base))){this.setitem(h,c.popleft());h++;if(0===c.len)return;e++;b=0;if(e>=l)break}else{this.setitem(h,a.popleft());h++;if(1==a.len)return;b++;e=0;if(b>=l)break}for(l+=1;;){this.min_gallop=l-=1<l;b=this.gallop(c.getitem(c.base),a,0,!0);for(f=a.base;f<a.base+b;f++)this.setitem(h,
 a.getitem(f)),h++;a.advance(b);if(1>=a.len)return;this.setitem(h,c.popleft());h++;if(0===c.len)return;e=this.gallop(a.getitem(a.base),c,0,!1);for(f=c.base;f<c.base+e;f++)this.setitem(h,c.getitem(f)),h++;c.advance(e);if(0===c.len)return;this.setitem(h,a.popleft());h++;if(1==a.len)return;if(b<this.MIN_GALLOP&&e<this.MIN_GALLOP)break;l++;this.min_gallop=l}}}finally{Sk.asserts.assert(0<=a.len&&0<=c.len);for(f=c.base;f<c.base+c.len;f++)this.setitem(h,c.getitem(f)),h++;for(f=a.base;f<a.base+a.len;f++)this.setitem(h,
 a.getitem(f)),h++}};Sk.builtin.timSort.prototype.merge_hi=function(a,c){var b,e,f;Sk.asserts.assert(0<a.len&&0<c.len&&a.base+a.len==c.base);var l=this.min_gallop;var h=c.base+c.len;c=c.copyitems();try{if(h--,this.setitem(h,a.popright()),0!==a.len&&1!=c.len)for(;;){for(e=b=0;;){var d=a.getitem(a.base+a.len-1);var g=c.getitem(c.base+c.len-1);if(this.lt(g,d)){h--;this.setitem(h,d);a.len--;if(0===a.len)return;b++;e=0;if(b>=l)break}else{h--;this.setitem(h,g);c.len--;if(1==c.len)return;e++;b=0;if(e>=l)break}}for(l+=
 1;;){this.min_gallop=l-=1<l;g=c.getitem(c.base+c.len-1);var m=this.gallop(g,a,a.len-1,!0);b=a.len-m;for(f=a.base+a.len-1;f>a.base+m-1;f--)h--,this.setitem(h,a.getitem(f));a.len-=b;if(0===a.len)return;h--;this.setitem(h,c.popright());if(1==c.len)return;d=a.getitem(a.base+a.len-1);m=this.gallop(d,c,c.len-1,!1);e=c.len-m;for(f=c.base+c.len-1;f>c.base+m-1;f--)h--,this.setitem(h,c.getitem(f));c.len-=e;if(1>=c.len)return;h--;this.setitem(h,a.popright());if(0===a.len)return;if(b<this.MIN_GALLOP&&e<this.MIN_GALLOP)break;
 l++;this.min_gallop=l}}}finally{Sk.asserts.assert(0<=a.len&&0<=c.len);for(f=a.base+a.len-1;f>a.base-1;f--)h--,this.setitem(h,a.getitem(f));for(f=c.base+c.len-1;f>c.base-1;f--)h--,this.setitem(h,c.getitem(f))}};Sk.builtin.timSort.prototype.merge_at=function(a){0>a&&(a=this.pending.length+a);var c=this.pending[a];var b=this.pending[a+1];Sk.asserts.assert(0<c.len&&0<b.len);Sk.asserts.assert(c.base+c.len==b.base);this.pending[a]=new Sk.builtin.listSlice(this.list,c.base,c.len+b.len);this.pending.splice(a+
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 Sk.builtin.timSort.prototype.merge_force_collapse=function(){for(var a=this.pending;1<a.length;)3<=a.length&&a[a.length-3].len<a[a.length-1].len?this.merge_at(-3):this.merge_at(-2)};Sk.builtin.timSort.prototype.merge_compute_minrun=function(a){for(var c=0;64<=a;)c|=a&1,a>>=1;return a+c};Sk.builtin.listSlice=function(a,c,b){this.list=a;this.base=c;this.len=b};Sk.builtin.listSlice.prototype.copyitems=function(){var a=this.base,c=this.base+this.len;Sk.asserts.assert(0<=a<=c);return new Sk.builtin.listSlice(new Sk.builtin.list(this.list.v.slice(a,
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 Sk.builtin.listSlice.prototype.reverse=function(){for(var a,c,b=this.list,e=this.base,f=e+this.len-1;e<f;)a=b.v[f],c=b.v[e],b.v[e]=a,b.v[f]=c,e++,f--};Sk.exportSymbol("Sk.builtin.listSlice",Sk.builtin.listSlice);Sk.exportSymbol("Sk.builtin.timSort",Sk.builtin.timSort)},function(m,q){Sk.builtin.super_=Sk.abstr.buildNativeClass("super",{constructor:function(a,c){Sk.asserts.assert(this instanceof Sk.builtin.super_,"bad call to super, use 'new'");this.type=a;this.obj=c;if(void 0!==a&&!Sk.builtin.checkClass(a))throw new Sk.builtin.TypeError("must be type, not "+
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 SystemExit:Sk.builtin.SystemExit,OverflowError:Sk.builtin.OverflowError,OperationError:Sk.builtin.OperationError,NegativePowerError:Sk.builtin.NegativePowerError,RuntimeError:Sk.builtin.RuntimeError,RecursionError:Sk.builtin.RecursionError,StopIteration:Sk.builtin.StopIteration,SyntaxError:Sk.builtin.SyntaxError,SystemError:Sk.builtin.SystemError,float_$rw$:Sk.builtin.float_,int_$rw$:Sk.builtin.int_,bool:Sk.builtin.bool,complex:Sk.builtin.complex,dict:Sk.builtin.dict,file:Sk.builtin.file,frozenset:Sk.builtin.frozenset,
 "function":Sk.builtin.func,generator:Sk.builtin.generator,list:Sk.builtin.list,long_$rw$:Sk.builtin.lng,method:Sk.builtin.method,object:Sk.builtin.object,slice:Sk.builtin.slice,str:Sk.builtin.str,set:Sk.builtin.set,tuple:Sk.builtin.tuple,type:Sk.builtin.type,input:null,raw_input:new Sk.builtin.func(Sk.builtin.raw_input),setattr:null,jseval:Sk.builtin.jseval,jsmillis:Sk.builtin.jsmillis,quit:new Sk.builtin.func(Sk.builtin.quit),exit:new Sk.builtin.func(Sk.builtin.quit),print:null,divmod:null,format:null,
 globals:null,issubclass:null,iter:null,execfile:Sk.builtin.execfile,help:Sk.builtin.help,memoryview:Sk.builtin.memoryview,reload:Sk.builtin.reload,super_$rw$:Sk.builtin.super_,unichr:Sk.builtin.unichr,vars:Sk.builtin.vars,apply_$rw$:Sk.builtin.apply_,buffer:Sk.builtin.buffer,coerce:Sk.builtin.coerce,intern:Sk.builtin.intern,property:Sk.builtin.property,classmethod:Sk.builtin.classmethod,staticmethod:Sk.builtin.staticmethod};Sk.abstr.setUpModuleMethods("builtins",Sk.builtins,{__import__:{$meth:Sk.builtin.__import__,
 $flags:{NamedArgs:["name","globals","locals","fromlist","level"]},$textsig:null,$doc:"__import__(name, globals=None, locals=None, fromlist=(), level=0) -> module\n\nImport a module. Because this function is meant for use by the Python\ninterpreter and not for general use, it is better to use\nimportlib.import_module() to programmatically import a module.\n\nThe globals argument is only used to determine the context;\nthey are not modified.  The locals argument is unused.  The fromlist\nshould be a list of names to emulate ``from name import ...'', or an\nempty list to emulate ``import name''.\nWhen importing a module from a package, note that __import__('A.B', ...)\nreturns package A when fromlist is empty, but its submodule B when\nfromlist is not empty.  The level argument is used to determine whether to\nperform absolute or relative imports: 0 is absolute, while a positive number\nis the number of parent directories to search relative to the current module."},
 abs:{$meth:Sk.builtin.abs,$flags:{OneArg:!0},$textsig:"($module, x, /)",$doc:"Return the absolute value of the argument."},all:{$meth:Sk.builtin.all,$flags:{OneArg:!0},$textsig:"($module, iterable, /)",$doc:"Return True if bool(x) is True for all values x in the iterable.\n\nIf the iterable is empty, return True."},any:{$meth:Sk.builtin.any,$flags:{OneArg:!0},$textsig:"($module, iterable, /)",$doc:"Return True if bool(x) is True for any x in the iterable.\n\nIf the iterable is empty, return False."},
 ascii:{$meth:Sk.builtin.ascii,$flags:{OneArg:!0},$textsig:"($module, obj, /)",$doc:"Return an ASCII-only representation of an object.\n\nAs repr(), return a string containing a printable representation of an\nobject, but escape the non-ASCII characters in the string returned by\nrepr() using \\\\x, \\\\u or \\\\U escapes. This generates a string similar\nto that returned by repr() in Python 2."},bin:{$meth:Sk.builtin.bin,$flags:{OneArg:!0},$textsig:"($module, number, /)",$doc:"Return the binary representation of an integer.\n\n   >>> bin(2796202)\n   '0b1010101010101010101010'"},
 callable:{$meth:Sk.builtin.callable,$flags:{OneArg:!0},$textsig:"($module, obj, /)",$doc:"Return whether the object is callable (i.e., some kind of function).\n\nNote that classes are callable, as are instances of classes with a\n__call__() method."},chr:{$meth:Sk.builtin.chr,$flags:{OneArg:!0},$textsig:"($module, i, /)",$doc:"Return a Unicode string of one character with ordinal i; 0 <= i <= 0x10ffff."},delattr:{$meth:Sk.builtin.delattr,$flags:{MinArgs:2,MaxArgs:2},$textsig:"($module, obj, name, /)",
 $doc:"Deletes the named attribute from the given object.\n\ndelattr(x, 'y') is equivalent to ``del x.y''"},dir:{$meth:Sk.builtin.dir,$flags:{MinArgs:0,MaxArgs:1},$textsig:null,$doc:"dir([object]) -> list of strings\n\nIf called without an argument, return the names in the current scope.\nElse, return an alphabetized list of names comprising (some of) the attributes\nof the given object, and of attributes reachable from it.\nIf the object supplies a method named __dir__, it will be used; otherwise\nthe default dir() logic is used and returns:\n  for a module object: the module's attributes.\n  for a class object:  its attributes, and recursively the attributes\n    of its bases.\n  for any other object: its attributes, its class's attributes, and\n    recursively the attributes of its class's base classes."},
 divmod:{$meth:Sk.builtin.divmod,$flags:{MinArgs:2,MaxArgs:2},$textsig:"($module, x, y, /)",$doc:"Return the tuple (x//y, x%y).  Invariant: div*y + mod == x."},eval_$rw$:{$name:"eval",$meth:Sk.builtin.eval_,$flags:{MinArgs:1,MaxArgs:3},$textsig:"($module, source, globals=None, locals=None, /)",$doc:"Evaluate the given source in the context of globals and locals.\n\nThe source may be a string representing a Python expression\nor a code object as returned by compile().\nThe globals must be a dictionary and locals can be any mapping,\ndefaulting to the current globals and locals.\nIf only globals is given, locals defaults to it."},
 format:{$meth:Sk.builtin.format,$flags:{MinArgs:1,MaxArgs:2},$textsig:"($module, value, format_spec='', /)",$doc:"Return value.__format__(format_spec)\n\nformat_spec defaults to the empty string.\nSee the Format Specification Mini-Language section of help('FORMATTING') for\ndetails."},getattr:{$meth:Sk.builtin.getattr,$flags:{MinArgs:2,MaxArgs:3},$textsig:null,$doc:"getattr(object, name[, default]) -> value\n\nGet a named attribute from an object; getattr(x, 'y') is equivalent to x.y.\nWhen a default argument is given, it is returned when the attribute doesn't\nexist; without it, an exception is raised in that case."},
 globals:{$meth:Sk.builtin.globals,$flags:{NoArgs:!0},$textsig:"($module, /)",$doc:"Return the dictionary containing the current scope's global variables.\n\nNOTE: Updates to this dictionary *will* affect name lookups in the current\nglobal scope and vice-versa."},hasattr:{$meth:Sk.builtin.hasattr,$flags:{MinArgs:2,MaxArgs:2},$textsig:"($module, obj, name, /)",$doc:"Return whether the object has an attribute with the given name.\n\nThis is done by calling getattr(obj, name) and catching AttributeError."},
 hash:{$meth:Sk.builtin.hash,$flags:{OneArg:!0},$textsig:"($module, obj, /)",$doc:"Return the hash value for the given object.\n\nTwo objects that compare equal must also have the same hash value, but the\nreverse is not necessarily true."},hex:{$meth:Sk.builtin.hex,$flags:{OneArg:!0},$textsig:"($module, number, /)",$doc:"Return the hexadecimal representation of an integer.\n\n   >>> hex(12648430)\n   '0xc0ffee'"},id:{$meth:Sk.builtin.id,$flags:{OneArg:!0},$textsig:"($module, obj, /)",$doc:"Return the identity of an object.\n\nThis is guaranteed to be unique among simultaneously existing objects.\n(CPython uses the object's memory address.)"},
 input:{$meth:Sk.builtin.input,$flags:{MinArgs:0,MaxArgs:1},$textsig:"($module, prompt=None, /)",$doc:"Read a string from standard input.  The trailing newline is stripped.\n\nThe prompt string, if given, is printed to standard output without a\ntrailing newline before reading input.\n\nIf the user hits EOF (*nix: Ctrl-D, Windows: Ctrl-Z+Return), raise EOFError.\nOn *nix systems, readline is used if available."},isinstance:{$meth:Sk.builtin.isinstance,$flags:{MinArgs:2,MaxArgs:2},$textsig:"($module, obj, class_or_tuple, /)",
 $doc:"Return whether an object is an instance of a class or of a subclass thereof.\n\nA tuple, as in ``isinstance(x, (A, B, ...))``, may be given as the target to\ncheck against. This is equivalent to ``isinstance(x, A) or isinstance(x, B)\nor ...`` etc."},issubclass:{$meth:Sk.builtin.issubclass,$flags:{MinArgs:2,MaxArgs:2},$textsig:"($module, cls, class_or_tuple, /)",$doc:"Return whether 'cls' is a derived from another class or is the same class.\n\nA tuple, as in ``issubclass(x, (A, B, ...))``, may be given as the target to\ncheck against. This is equivalent to ``issubclass(x, A) or issubclass(x, B)\nor ...`` etc."},
 iter:{$meth:Sk.builtin.iter,$flags:{MinArgs:1,MaxArgs:2},$textsig:"($module, iterable /)",$doc:"iter(iterable) -> iterator\niter(callable, sentinel) -> iterator\n\nGet an iterator from an object.  In the first form, the argument must\nsupply its own iterator, or be a sequence.\nIn the second form, the callable is called until it returns the sentinel."},len:{$meth:Sk.builtin.len,$flags:{OneArg:!0},$textsig:"($module, obj, /)",$doc:"Return the number of items in a container."},locals:{$meth:Sk.builtin.locals,
 $flags:{NoArgs:!0},$textsig:"($module, /)",$doc:"Return a dictionary containing the current scope's local variables.\n\nNOTE: Whether or not updates to this dictionary will affect name lookups in\nthe local scope and vice-versa is *implementation dependent* and not\ncovered by any backwards compatibility guarantees."},max:{$meth:Sk.builtin.max,$flags:{FastCall:!0},$textsig:null,$doc:"max(iterable, *[, default=obj, key=func]) -> value\nmax(arg1, arg2, *args, *[, key=func]) -> value\n\nWith a single iterable argument, return its biggest item. The\ndefault keyword-only argument specifies an object to return if\nthe provided iterable is empty.\nWith two or more arguments, return the largest argument."},
 min:{$meth:Sk.builtin.min,$flags:{FastCall:!0},$textsig:null,$doc:"min(iterable, *[, default=obj, key=func]) -> value\nmin(arg1, arg2, *args, *[, key=func]) -> value\n\nWith a single iterable argument, return its smallest item. The\ndefault keyword-only argument specifies an object to return if\nthe provided iterable is empty.\nWith two or more arguments, return the smallest argument."},next:{$name:"next",$meth:Sk.builtin.next_,$flags:{MinArgs:1,MaxArgs:2},$textsig:null,$doc:"next(iterator[, default])\n\nReturn the next item from the iterator. If default is given and the iterator\nis exhausted, it is returned instead of raising StopIteration."},
 oct:{$meth:Sk.builtin.oct,$flags:{OneArg:!0},$textsig:"($module, number, /)",$doc:"Return the octal representation of an integer.\n\n   >>> oct(342391)\n   '0o1234567'"},open:{$meth:Sk.builtin.open,$flags:{MinArgs:1,MaxArgs:3},$textsig:null,$doc:"open(name[, mode[, buffering]]) -> file object\n\nOpen a file using the file() type, returns a file object.  This is the\npreferred way to open a file.  See file.__doc__ for further information."},ord:{$meth:Sk.builtin.ord,$flags:{OneArg:!0},$textsig:"($module, c, /)",
 $doc:"Return the Unicode code point for a one-character string."},pow:{$meth:Sk.builtin.pow,$flags:{MinArgs:2,MaxArgs:3},$textsig:"($module, x, y, z=None, /)",$doc:"Equivalent to x**y (with two arguments) or x**y % z (with three arguments)\n\nSome types, such as ints, are able to use a more efficient algorithm when\ninvoked using the three argument form."},print:{$meth:Sk.builtin.print,$flags:{FastCall:!0},$textsig:null,$doc:"print(value, ..., sep=' ', end='\\n', file=sys.stdout, flush=False)\n\nPrints the values to a stream, or to sys.stdout by default.\nOptional keyword arguments:\nfile:  a file-like object (stream); defaults to the current sys.stdout.\nsep:   string inserted between values, default a space.\nend:   string appended after the last value, default a newline.\nflush: whether to forcibly flush the stream."},
 repr:{$meth:Sk.builtin.repr,$flags:{OneArg:!0},$textsig:"($module, obj, /)",$doc:"Return the canonical string representation of the object.\n\nFor many object types, including most builtins, eval(repr(obj)) == obj."},round:{$meth:Sk.builtin.round,$flags:{NamedArgs:["number","ndigits"]},$textsig:"($module, /, number, ndigits=None)",$doc:"Round a number to a given precision in decimal digits.\n\nThe return value is an integer if ndigits is omitted or None.  Otherwise\nthe return value has the same type as the number.  ndigits may be negative."},
 setattr:{$meth:Sk.builtin.setattr,$flags:{MinArgs:3,MaxArgs:3},$textsig:"($module, obj, name, value, /)",$doc:"Sets the named attribute on the given object to the specified value.\n\nsetattr(x, 'y', v) is equivalent to ``x.y = v''"},sorted:{$meth:Sk.builtin.sorted,$flags:{NamedArgs:[null,"cmp","key","reverse"],Defaults:[Sk.builtin.none.none$,Sk.builtin.none.none$,Sk.builtin.bool.false$]},$textsig:"($module, iterable, /, *, key=None, reverse=False)",$doc:"Return a new list containing all items from the iterable in ascending order.\n\nA custom key function can be supplied to customize the sort order, and the\nreverse flag can be set to request the result in descending order."},
 sum:{$meth:Sk.builtin.sum,$flags:{NamedArgs:[null,"start"],Defaults:[new Sk.builtin.int_(0)]},$textsig:"($module, iterable, /, start=0)",$doc:"Return the sum of a 'start' value (default: 0) plus an iterable of numbers\n\nWhen the iterable is empty, return the start value.\nThis function is intended specifically for use with numeric values and may\nreject non-numeric types."},vars:{$meth:Sk.builtin.vars,$flags:{MinArgs:0,MaxArgs:1},$textsig:null,$doc:"vars([object]) -> dictionary\n\nWithout arguments, equivalent to locals().\nWith an argument, equivalent to object.__dict__."}});
 Sk.setupObjects=function(a){a?(Sk.builtins.filter=Sk.builtin.filter_,Sk.builtins.map=Sk.builtin.map_,Sk.builtins.zip=Sk.builtin.zip_,Sk.builtins.range=Sk.builtin.range_,delete Sk.builtins.xrange,delete Sk.builtins.StandardError,delete Sk.builtins.unicode,delete Sk.builtins.basestring,delete Sk.builtins.long_$rw$,Sk.builtin.int_.prototype.$r=function(){return new Sk.builtin.str(this.v.toString())},delete Sk.builtin.int_.prototype.tp$str,delete Sk.builtin.bool.prototype.tp$str,delete Sk.builtins.raw_input,
 delete Sk.builtin.str.prototype.decode,Sk.builtins.bytes=Sk.builtin.bytes,Sk.builtins.ascii=new Sk.builtin.sk_method({$meth:Sk.builtin.ascii,$flags:{OneArg:!0},$textsig:"($module, obj, /)",$doc:"Return an ASCII-only representation of an object.\n\nAs repr(), return a string containing a printable representation of an\nobject, but escape the non-ASCII characters in the string returned by\nrepr() using \\\\x, \\\\u or \\\\U escapes. This generates a string similar\nto that returned by repr() in Python 2."},
 null,"builtins")):(Sk.builtins.range=new Sk.builtin.sk_method({$meth:Sk.builtin.range,$name:"range",$flags:{MinArgs:1,MaxArgs:3}},void 0,"builtins"),Sk.builtins.xrange=new Sk.builtin.sk_method({$meth:Sk.builtin.xrange,$name:"xrange",$flags:{MinArgs:1,MaxArgs:3}},null,"builtins"),Sk.builtins.filter=new Sk.builtin.func(Sk.builtin.filter),Sk.builtins.map=new Sk.builtin.func(Sk.builtin.map),Sk.builtins.zip=new Sk.builtin.func(Sk.builtin.zip),Sk.builtins.StandardError=Sk.builtin.Exception,Sk.builtins.unicode=
 Sk.builtin.str,Sk.builtins.basestring=Sk.builtin.str,Sk.builtins.long_$rw$=Sk.builtin.lng,Sk.builtin.int_.prototype.$r=function(){const a=this.v;return"number"===typeof a?new Sk.builtin.str(a.toString()):new Sk.builtin.str(a.toString()+"L")},Sk.builtin.int_.prototype.tp$str=function(){return new Sk.builtin.str(this.v.toString())},Sk.builtin.bool.prototype.tp$str=function(){return this.$r()},Sk.builtins.raw_input=new Sk.builtin.func(Sk.builtin.raw_input),Sk.builtin.str.prototype.decode=Sk.builtin.str.$py2decode,
 delete Sk.builtins.bytes,delete Sk.builtins.ascii)};Sk.exportSymbol("Sk.setupObjects",Sk.setupObjects);Sk.exportSymbol("Sk.builtins",Sk.builtins)},function(m,q){Sk.builtin.str.$empty=new Sk.builtin.str("");Sk.builtin.str.$emptystr=Sk.builtin.str.$empty;Sk.builtin.str.$utf8=new Sk.builtin.str("utf-8");Sk.builtin.str.$ascii=new Sk.builtin.str("ascii");Sk.builtin.str.$default_factory=new Sk.builtin.str("default_factory");Sk.builtin.str.$imag=new Sk.builtin.str("imag");Sk.builtin.str.$real=new Sk.builtin.str("real");
 Sk.builtin.str.$abs=new Sk.builtin.str("__abs__");Sk.builtin.str.$bytes=new Sk.builtin.str("__bytes__");Sk.builtin.str.$call=new Sk.builtin.str("__call__");Sk.builtin.str.$class=new Sk.builtin.str("__class__");Sk.builtin.str.$cmp=new Sk.builtin.str("__cmp__");Sk.builtin.str.$complex=new Sk.builtin.str("__complex__");Sk.builtin.str.$contains=new Sk.builtin.str("__contains__");Sk.builtin.str.$copy=new Sk.builtin.str("__copy__");Sk.builtin.str.$dict=new Sk.builtin.str("__dict__");Sk.builtin.str.$dir=
 new Sk.builtin.str("__dir__");Sk.builtin.str.$doc=new Sk.builtin.str("__doc__");Sk.builtin.str.$enter=new Sk.builtin.str("__enter__");Sk.builtin.str.$eq=new Sk.builtin.str("__eq__");Sk.builtin.str.$exit=new Sk.builtin.str("__exit__");Sk.builtin.str.$index=new Sk.builtin.str("__index__");Sk.builtin.str.$init=new Sk.builtin.str("__init__");Sk.builtin.str.$int_=new Sk.builtin.str("__int__");Sk.builtin.str.$iter=new Sk.builtin.str("__iter__");Sk.builtin.str.$file=new Sk.builtin.str("__file__");Sk.builtin.str.$float_=
 new Sk.builtin.str("__float__");Sk.builtin.str.$format=new Sk.builtin.str("__format__");Sk.builtin.str.$ge=new Sk.builtin.str("__ge__");Sk.builtin.str.$getattr=new Sk.builtin.str("__getattr__");Sk.builtin.str.$getattribute=new Sk.builtin.str("__getattribute__");Sk.builtin.str.$getitem=new Sk.builtin.str("__getitem__");Sk.builtin.str.$gt=new Sk.builtin.str("__gt__");Sk.builtin.str.$keys=new Sk.builtin.str("keys");Sk.builtin.str.$le=new Sk.builtin.str("__le__");Sk.builtin.str.$len=new Sk.builtin.str("__len__");
 Sk.builtin.str.$length_hint=new Sk.builtin.str("__length_hint__");Sk.builtin.str.$loader=new Sk.builtin.str("__loader__");Sk.builtin.str.$lt=new Sk.builtin.str("__lt__");Sk.builtin.str.$module=new Sk.builtin.str("__module__");Sk.builtin.str.$missing=new Sk.builtin.str("__missing__");Sk.builtin.str.$name=new Sk.builtin.str("__name__");Sk.builtin.str.$ne=new Sk.builtin.str("__ne__");Sk.builtin.str.$new=new Sk.builtin.str("__new__");Sk.builtin.str.$next=new Sk.builtin.str("__next__");Sk.builtin.str.$path=
 new Sk.builtin.str("__path__");Sk.builtin.str.$qualname=new Sk.builtin.str("__qualname__");Sk.builtin.str.$repr=new Sk.builtin.str("__repr__");Sk.builtin.str.$reversed=new Sk.builtin.str("__reversed__");Sk.builtin.str.$round=new Sk.builtin.str("__round__");Sk.builtin.str.$setattr=new Sk.builtin.str("__setattr__");Sk.builtin.str.$setitem=new Sk.builtin.str("__setitem__");Sk.builtin.str.$str=new Sk.builtin.str("__str__");Sk.builtin.str.$trunc=new Sk.builtin.str("__trunc__");Sk.builtin.str.$write=new Sk.builtin.str("write");
 Sk.misceval.op2method_={Eq:Sk.builtin.str.$eq,NotEq:Sk.builtin.str.$ne,Gt:Sk.builtin.str.$gt,GtE:Sk.builtin.str.$ge,Lt:Sk.builtin.str.$lt,LtE:Sk.builtin.str.$le}}]);}).call(this || window)
 
 //# sourceMappingURL=skulpt.min.js.map