Python Exercise #40

最新推荐文章于 2015-08-18 11:45:46 发布
原创 最新推荐文章于 2015-08-18 11:45:46 发布 · 970 阅读 · 0 ·
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本文通过两个具体的例子展示了Python中如何定义和使用类。首先定义了一个Song类，该类接受歌词参数，并实现了一个方法用于逐行打印歌词。接着创建了两个Song类的实例，分别代表不同的歌曲，并调用方法打印出歌词。 
#!/usr/bin/python      # exact position of python
#!/usr/bin/env python  # position of python in enviornment
# -*- coding:utf-8 -*- # Modules, Classes, And Objects

class Song(object):

        def __init__(self, lyrics):
                self.lyrics = lyrics

        def sing_me_a_song(self):
                for line in self.lyrics:
                        print line

happy_day = Song(["Happy birthday to you",
                  "I don't want to get sued",
                  "So I'll stop right there"])

bulls_on_parade = Song(["They rally around the family",
                        "With pockets full of shells"])

happy_day.sing_me_a_song()
bulls_on_parade.sing_me_a_song()

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