save project

my_music.py

@@ -50,8 +50,8 @@ while True:
                 if x > 420 and x < 520 and y > 350 and y < 400:
                     num -= 1
                     if num <0:
-                        num = len(music_list)-1
-                    pygame.mixer_music.load(music_list[num])
+                        num = len(filelist)-1
+                    pygame.mixer_music.load(filelist[num])
                     pygame.mixer_music.play()
                     chick = 0
                     play_button = stop_img