python练习题，求解！不太懂

class Song :
    name = ''
    singer = ''
    type = ''
    def __repr__(self):
        return "<<" + self.name + ">>" + "--" + self.singer + "#" + self.type


    Song s1, s2;
s1.name = "Welcome to YouYour"
s1.singer = 'taylor swift'
s1.type = 'good'

s2.name = "稻香"
s2.singer = "周杰伦"
s2.type = 'good'

print(s1)