auto save

snake.py

 import pygame
+from pygame import locals
+
+
 
-# 初始化pygame，为使用pygame做准备
 pygame.init()
+s = pygame.display.set_mode((800,600))
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
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-# 创建一个窗口
-??
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