Python深浅拷贝

导入模块import copy

names = ['lilei','hanmei',['lll','rrrr']]
 
 
深拷贝
 
 
names2 = copy.deepcopy(names)
 
 
浅拷贝2中方式 只拷贝一层
 
 
1
 
 
names2 = copy.copy(names)
 
 
2
 
 
names2 = names[:]
 
 
names[1] = 'HANMEI'
 names[2][0] = 'KKKKK'
 print(names)
 print(names2)

浅拷贝打印：

['lilei', 'HANMEI', ['KKKKK', 'rrrr']]
 ['lilei', 'hanmei', ['KKKKK', 'rrrr']]

深拷贝打印：

['lilei', 'HANMEI', ['KKKKK', 'rrrr']]
 ['lilei', 'hanmei', ['lll', 'rrrr']]