auto save

snake.py

@@ -24,7 +24,7 @@ setheading = "right"
 snake_head = right
 
 while True:
-    for event in pygame.event.get():
+    for event in pygame.event.get():        # 获取当前数值
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()