Method pop

source/python.js:58–65

(key)

                return value;
            }
            pop(key) {
                if (this.__contains__(key)) {
                    const v = this.__getitem__(key);
                    this.__delitem__(key);
                    return v;
                }
                return null;
            }
            items() {
                return Array.from(this);
            }