NotesUESTC/编程语言笔记/Python笔记/Python深浅拷贝.md

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2024-03-27 11:19:08 +08:00
```python
#!/usr/bin/python
# -*-coding:utf-8 -*-
import copy
a = [1, 2, 3, 4, ['a', 'b']] #原始对象
b = a #赋值,传对象的引用
c = copy.copy(a) #对象拷贝,浅拷贝
d = copy.deepcopy(a) #对象拷贝,深拷贝
a.append(5) #修改对象a
a[4].append('c') #修改对象a中的['a', 'b']数组对象
print( 'a = ', a )
print( 'b = ', b )
print( 'c = ', c )
print( 'd = ', d )
```