Method toString

source/python.js:2416–2418

()

                this.imag = imaginary;
            }
            toString() {
                return `${this.real}${this.imag < 0 ? '' : '+'}${this.imag}j`;
            }
        });
        this.registerType('builtins.NoneType', class {});
        this.registerType('builtins.object', class {