#!/usr/bin/python

# -*- coding: utf-8 -*-

class A(object):

  class_var = 1

  def __init__(self):

    self.name = 'xy'

    self.age = 2

  @property

  def num(self):

    return self.age + 10

  def fun(self):pass

  def static_f():pass

  def class_f(cls):pass

if __name__ == '__main__':#主程序

  a = A()

  print a.__dict__  #{'age': 2, 'name': 'xy'}  实例中的__dict__属性

  print A.__dict__

  '''

  类A的__dict__属性

  {

  '__dict__': <attribute '__dict__' of 'A' objects>, #这里如果想深究的话查看参考链接5

  '__module__': '__main__',        #所处模块

  'num': <property object>,        #特性对象

  'class_f': <function class_f>,     #类方法

  'static_f': <function static_f>,    #静态方法

  'class_var': 1, 'fun': <function fun >, #类变量

  '__weakref__': <attribute '__weakref__' of 'A' objects>,

  '__doc__': None,            #class说明字符串

  '__init__': <function __init__ at 0x0000000003451AC8>}

  '''

  a.level1 = 3

  a.fun = lambda :x

  print a.__dict__ #{'level1': 3, 'age': 2, 'name': 'xy','fun': <function <lambda> at 0x>}

  print A.__dict__ #与上述结果相同

  A.level2 = 4

  print a.__dict__ #{'level1': 3, 'age': 2, 'name': 'xy'}

  print A.__dict__ #增加了level2属性

  print object.__dict__

  '''

  {'__setattr__': <slot wrapper '__setattr__' of 'object' objects>,

  '__reduce_ex__': <method '__reduce_ex__' of 'object' objects>,

  '__new__': <built-in method __new__ of type object at>,

  等.....

  '''