save project

snake.py

@@ -55,12 +55,11 @@ while True:
                 else:
                     play_button = play_img
                     pygame.mixer.music.pause()    # 次数增加
-                
-
+            if x>120 and x<220 and y>350 ang y<450
     if pygame.mixer.music.get_busy() == False:
-        num+=1
-        if num>len(p)-1:
-            num=0
+        num-=3
+        if num<0
+            num=
         pygame.mixer.music.load("C:\\桌面\\txt"+"\\"+p[num])
         pygame.mixer.music.play()