save project

my_music.py

@@ -55,7 +55,14 @@ 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)-1
+                         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:
         num += 1
         if num > len(music_list)-1: