save project

my_music.py

@@ -52,7 +52,10 @@ while True:
                     else:
                     else:
                         play_button = play_img
                         play_button = play_img
                         pygame.mixer.music.pause()
                         pygame.mixer.music.pause()
-
+                if x >120 and x <220 and y > 350 and y <450:
+                    n-=1
+                    if n < len(music_list)-1:
+                        n=0
     if pygame.mixer.music.get_busy() == False:
     if pygame.mixer.music.get_busy() == False:
         n+=1
         n+=1
         if n > len(music_list)-1:
         if n > len(music_list)-1: