浅拷贝 = 只拷贝第一层
深拷贝 = 克隆一份
 s = [1,'zhang','age']
 s2 = s.copy()
 print(s2)
 s2[0] = 2
 print(s2)
 print(s)
 s = [[1,2],'zhang','age']
 s3 = s.copy()
 print(s3)
 s3[1] = 'liu'
 print(s3)
 print(s)
 s3[0][1] = 3
 print(s3)
 print(s)
 import copy
 husband = ['zhang',123,[15000,9000]]
 wife = husband.copy()
 wife[0] = 'liu'
 wife[1] = 345
 qu = copy.copy()   #浅拷贝
 qu = copy.deepcopy(husband)   #深拷贝
 qu[0] = 'qu'
 qu[1] = 666
 qu[2][1] -= 1999
 husband[2][1] -= 3000
 print(wife)
 print(qu)
                                    来源:CSDN
作者:去西天
链接:https://blog.csdn.net/weixin_44258331/article/details/104376887