save project

my_music.py

@@ -67,6 +67,15 @@ while True:
                     pygame.mixer.music.play()
                     click=0
                     play_button=stop_img
+                    if x>420 and x<320 and y>350 y<400:
+                        num-=1
+                    if  num< len(music_list)-1:
+                        num>0
+                    pygame.mixer.music.load(path+"\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    click=0
+                    play_button=stop_img
+                    
 
 
     if volume <=0: