save project

my_music.py

@@ -48,6 +48,12 @@ while True:
                 play_button=stop_img
                 play_button=stop_img
             else:
             else:
                 pygame.mixer.music.pause()
                 pygame.mixer.music.pause()
+                  
+            if x >120 and x<220 and y>350
+               num-=1
+               if num<0:
+                   num =len(music_list)-1
+                pygame.mixer.music.lode
                 play_button=play_img
                 play_button=play_img
     if pygame.mixer.music.get_busy()==False:
     if pygame.mixer.music.get_busy()==False:
         num+=1
         num+=1