小编Bur*_*api的帖子

编写一个带有music_func3个参数音乐类型,音乐组,歌手的功能,并将它们全部打印出来,如下例所示.

如果用户没有提供输入,则该功能应该为参数设置这些值:"Classic Rock","The Beatles","Freddie Mercury".

例如:

输入:

Alternative Rock,Pearl Jam,Chris Cornell

输出:

The best kind of music is Alternative Rock
The best music group is Pearl Jam
The best lead vocalist is Chris Cornell

注意: print语句将进入music_func().例如:print("The best kind of music is" + ...)

#definition for music_func goes here
def music_func(a,b,c):
    if a is None or b is None or c is None:
        print("The best kind of music is Classic Rock")
        print("The best music group is …