21 lines
473 B
Markdown
21 lines
473 B
Markdown
|
```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 )
|
||
|
```
|
||
|
|