# -*- coding:utf-8 -*-
# !/usr/bin/python
class Dog():
    """"一次模拟小狗的简单尝试"""
    def __init__(self,name,age):
        """初始化属性name和age"""
        print self
        print type(self)
        print dir(self)
        self.name = name
        self.age = age
    def sit(self):
        """模拟小狗被命令时蹲下"""
        print self.name.title() + "is now sitting."
    def roll_over(self):
        """模拟小狗被命令时打滚"""
        print (self.name.title() + "rolled over!")
a=Dog('aaaa','bbbb')

C:\Python27\python.exe C:/Users/TLCB/PycharmProjects/untitled2/object/dog.py
<__main__.Dog instance at 0x020F2BC0>
<type 'instance'>
['__doc__', '__init__', '__module__', 'roll_over', 'sit']

Process finished with exit code 0