Python 简明教程
Python - Dictionary Methods
Python dictionary 是内置 dict 类的对象，它定义了以下方法：
A Python dictionary is an object of the built-in dict class, which defines the following methods −
Python dictionary 是内置 dict 类的对象，它定义了以下方法：
A Python dictionary is an object of the built-in dict class, which defines the following methods −