1,官网的数据类类型介绍:https://docs.python.org/zh-cn/3/library/stdtypes.html#mapping-types-dict
2,Runoob的集合介绍:https://www.runoob.com/python3/python3-set.html#setmethod
3,Runoob的字典介绍:https://www.runoob.com/python3/python3-dictionary.html
1,官网的数据类类型介绍:https://docs.python.org/zh-cn/3/library/stdtypes.html#mapping-types-dict
2,Runoob的集合介绍:https://www.runoob.com/python3/python3-set.html#setmethod
3,Runoob的字典介绍:https://www.runoob.com/python3/python3-dictionary.html