摘要: Counter计数 ChainMap映射多个字典 UserDict重写字典 form collections import UserDict class StrKeyDict(UserDict): def __missing__(self, key): if isinstance(key, str) 阅读全文
posted @ 2017-07-11 22:19 跟随心走 阅读(190) 评论(0) 推荐(0) 编辑