auto save

snake.py

@@ -18,6 +18,8 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_R
     x+=30
     pocition.append((x,y))
     pocition.pop(0)