deepcopy的用法

juhugufudu

浅拷贝:

>>> a = [11,22,33]
>>> b = a
>>> id(b)
2440623510600
>>> id(a)
2440623510600
>>> a is b
True
>>>

深拷贝:

>>> import copy
>>> c = copy.deepcopy(a)
>>> id(c)
2440653257544
>>> id(a)
2440623510600
>>> a.append(77)
>>> b
[11, 22, 33, 77]
>>> a
[11, 22, 33, 77]
>>> c
[11, 22, 33]
>>>

ykn大神6

支持楼主！！！

Vicissitude357

感谢