1. 程式人生 > >python:深拷貝與淺拷貝

python:深拷貝與淺拷貝

pri 復制 空間 epc python import ams post name

import copy
name = ["sams", ["su", "ca"]]
name0 = name#直接復制,指向同一內存空間
name1 = copy.copy(name)#淺拷貝,也可以寫作name1 = name[:]
name2 = copy.deepcopy(name)#深拷貝
name[0] = "son"
name[1][0] = "qi"
print(name,"\n",name0,"\n",name1,"\n",name2)

結果:

 [‘son‘, [‘qi‘, ‘ca‘]]
 [‘son‘, [‘qi‘, ‘ca‘]]
 [‘sams‘, [‘qi‘, ‘ca‘]]
 [‘sams‘, [‘su‘, ‘ca‘]]

python:深拷貝與淺拷貝