python的特殊方法介绍时间:2023-03-09 17:59:05 __repr__、__str__ __len__、__getitem__、__setitem__、__delitem__、__contains__ __iter__、__reversed__、__next__ __call__ __enter__、__exit__ __new__、__init__、__del__ __getattr__、__getattribute__、__setattr__、__delattr__、__dir__ __get__、__set__、__delete__