类的专有方法(__str__)

# -*- coding: utf-8 -*-
#python 27
#xiaodeng
#http://5ydycm.blog.51cto.com/115934/157548/
#http://my.oschina.net/syc2013/blog/335842

#类的专有方法(__str__)
#类实例字符串化函数

class Friend():
    def __init__(self,name):
        self.name=name

#输出结果：<__main__.Friend instance at 0x1d92a70>
#返回的是存储地址
if __name__=="__main__":
    friend = Friend(‘xiaodeng‘)
    print friend

#怎么打印出一个对象的有感内容？
class Friend():
    def __init__(self,name):
        self.name=name
    def __str__(self):
        return self.name

if __name__=="__main__":
    friend = Friend(‘xiaodeng‘)
    print friend