auto save

snake.py

@@ -18,6 +18,7 @@ while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:# 接收到退出事件后退出程序
         if event.type == locals.QUIT:# 接收到退出事件后退出程序
             exit()
             exit()
+            if 
     x+=30
     x+=30
     tancheshe.append((x,y))
     tancheshe.append((x,y))
     tancheshe.pop(0)
     tancheshe.pop(0)