auto save

snake.py

 import pygame
+from pygame import locals
 
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
+breakgroud = pygame.image.load('bg.png')
+food = pygame.image.load('apple.png')
+right = pygame.image.load('right.png')
+body = pygame.image.load('body.png')
+
 # 创建一个窗口
-??
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+screen = pygame.display.set_mode((800,600))
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+
+    screen.blit(breakgroud,(0,0))
+    screen.blit(right,(210,180))
+    screen.blit(food,(270,240))
+    screen.blit(body,(180,180))
+    screen.blit(body,(150,180))
+    
+    pygame.display.update()
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