auto save

snake.py

 import pygame
 
-# 初始化pygame，为使用pygame做准备
 pygame.init()
 
-# 创建一个窗口
+backgound = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+apple = pygame.image.load('apple.png')
+
 screen = pygame.display.set_mode((660,480))
 while True:
     for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+
+screen
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