mirror of https://github.com/TwoWater/Python
28 lines
578 B
Python
28 lines
578 B
Python
|
#!/usr/bin/env python3
|
||
|
|
# -*- coding: UTF-8 -*-
|
||
|
|
|
||
|
|
class User1(object):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class User2(User1):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class User3(User2):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
user1 = User1()
|
||
|
|
user2 = User2()
|
||
|
|
user3 = User3()
|
||
|
|
# isinstance()就可以告诉我们，一个对象是否是某种类型
|
||
|
|
print(isinstance(user3, User2))
|
||
|
|
print(isinstance(user3, User1))
|
||
|
|
print(isinstance(user3, User3))
|
||
|
|
# 基本类型也可以用isinstance()判断
|
||
|
|
print(isinstance('两点水', str))
|
||
|
|
print(isinstance(347073565, int))
|
||
|
|
print(isinstance(347073565, str))
|