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((600,800))
-background=pygame.image.load(bg.png)
-food=pygame.image.load(apple.png)
-right=pygame.image.load(right.png)
-left=pygame.image.load(left.png)
-up=pygame.image.load(up.png)
-down=pygame.image.load(down.png)
-body=pygame.image.load(body.png)
+
+background=pygame.image.load("bg.png")
+food=pygame.image.load('apple.png')
+right=pygame.image.load('right.png')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+body=pygame.image.load('body.png')
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
 pygame.display.update()
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