save project

my_music.py

 import pygame
 from pygame import locals
-
+import os
 pygame.init()  # 初始化
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
@@ -61,6 +61,7 @@ while True:
         num+=1
         if num>len(filelist)-1:
             num=0
+        print(num)    
         pygame.mixer.music.load(path+"\\"+music_list[num])
         pygame.mixer.music.play()