save project

my_music.py

@@ -55,7 +55,14 @@ while True:
                 else:
                     play_button = play_img
                     pygame.mixer.music.pause()
-
+                if x >120and x < 220 and  y >350and y<400
+                    unm-=1
+                    if unm <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:
         mun +=1
         if unm> len(filelist)-1: