程序代码

class song(object):

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

happy_bday = 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_bday.sing_me_a_song()

bulls_on_parade.sing_me_a_song()

输出结果

Happy birthday to you
I don;t want to get sued
So I'll stop right there
They rally around the family
With pockets full of shells