分类：dict的常用方法

2020
10-08

Python dict的常用方法示例代码

常用方法浅拷贝copya={"ilpy1":{"company":"aaa"},"ilpy2":{"company":"bbb"}}new_dict=a.copy()new_dict["ilpy1"]["company"]="wtf"print(new_dict)print(a)print(id(a))print(id(new_dict))print(id(new_dict["ilpy1"]["company"]))print(id(a["ilpy1"]["company"]))然后我们发现，执行这一步操作时new_dict["ilpy1"]["company"]="wtf"，对a也执行了修改，比较id可知new_dict["ilpy1"]["company"]))和a["ilpy1... 继续阅读 >