Class类操作

Class类操作.py

# -*- coding:utf-8 -*-
class MyClass:
    '"A simple example class"'
    __name__   #.........default property........
    __bases__  #       when  class is named
    __dict__   #.........data property...........
    def __init__(self,vars1,vars2):  #'self' is the default first arg for function in a class 
        self.m = vars1
        self.n = vars2
        .....                        #called when class is exampled,and return 'None'
    def fun(self):
        return 'hello world'

x = MyClass(4,6)    #example object call and initiate
>>>x.m ,x.n ,x.fun  #call property of class
>>>x.__doc__  #"A simple example class"---"docstring", '__'is not '_',私有属性，私有方法，对于Shell具有特别意义

x.fun()    #direct call 
y = x.fun  #indirect call 

class DerivedClassName(BaseClassName):
    .............
class DerivedClassName(modname.BaseClassName):
    .............
class DerivedClassName(Base1,Base2,Base3...):
    .............