class ren(object):
'''this class is about ren class。类的说明，使用三个单引号'''
name='菇凉'
sex='Female'
def hello(self):
print('hello world')
a=ren()
print(type(a))
print(a.name)
print(a.sex)
a.hello()
a.name='未来啊'
print(a.name)
返回结果：
<class '__main__.ren'>
菇凉
Female
hello world
未来啊
![[C++ 提高] --- 类的存储 和 包含虚函数的类](https://ucc.alicdn.com/pic/developer-ecology/nlrwbhh5km45g_4b808c63c56e472fac619de73efdf4fb.png?x-oss-process=image/resize,h_160,m_lfit)