auto save

my_music.py

@@ -59,6 +59,10 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
+                if x>120 and x<220 and y>350 and y<400:
+                    num-=1
+                    if num<0:
+                        num = len
 
     if pygame.mixer.music.get_busy() == False:
         num+=1