Method __str__

source/python.js:5824–5826

()

        this.registerType('sympy.core.operations.AssocOp', class extends sympy.core.expr.Expr /* sympy.core.basic.Basic */ {});
        this.registerType('sympy.core.power.Pow', class extends sympy.core.expr.Expr {
            __str__() {
                return this._args.map((a) => a.__str__()).join('**');
            }
        });
        this.registerType('sympy.core.add.Add', class extends sympy.core.operations.AssocOp {
            __str__() {