save project

my_music.py

@@ -50,7 +50,14 @@ 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(music_list)
+                    pygame.mixer.music.load(path +"\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    play_button = stop_img
+                    click = 0
     if pygame.mixer.music.get_busy() == False:
         pygame.mixer.music.play()