save project

my_music.py

@@ -62,6 +62,14 @@ while True:
                     else:
                     else:
                         play_button = play_img
                         play_button = play_img
                         pygame.mixer.music.pause()
                         pygame.mixer.music.pause()
+                if x>120 and x<230 and y>350 and y<400:
+                    num-=1
+                    if num<0:
+                        num=len(B)-1
+                        click=2
+                pygame.mixer.music.load(path+"\\"+B[num])
+            pygame.mixer.music.play()
+
 
 
         if pygame.mixer.music.get_busy() == False:
         if pygame.mixer.music.get_busy() == False: