ICode9

# -*- coding: utf-8 -*-import copy# 浅copy# 使用场景，比如A,B夫妻共有一个银行账户，存取马宁的数据username = ["name", ["saving", 1000]]zhangsan = copy.copy(username)zhangfuren = copy.copy(username)print(zhangfuren)print(zhangsan)zhangfuren[1][1] = "20000&qu