【5.1】dict的abc继承关系

1 #!/user/bin/env python
2 # -*- coding:utf-8 -*-
3 # dict属于mapping类型
4 from collections.abc import Mapping, MutableMapping
5 a = {}
6 print(isinstance(a, MutableMapping))
原文地址:https://www.cnblogs.com/zydeboke/p/11250302.html