auto save

snake.py

+import pygame
+from pygame import locals
+# 初始化pygame，为使用pygame做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660,400))
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit() 
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