EX40

 1 class Song(object):
 2     
 3     def __init__(self):
 4         
 5         self.lyrics = ["这一路上走走停停，",
 6                     "顺着少年漂流的痕迹，",
 7                     "什么也不省心。"]
 8         
 9     def sing_me_a_song(self):
10         for line in self.lyrics:
11             print(line)
12 
13 thing = Song()
14 thing.sing_me_a_song()