auto save

snake.py

 import pygame
-
+from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
-
+background=pygame.image.load('bg.png')
+right=pygame.image.load('right.png')
+food=pygame.image.load('apple.png')
 # 创建一个窗口
-screen=pygame.display.set_mode((660,480))
\ No newline at end of file
+screen=pygame.display.set_mode((660,480))
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()
+    screen.blit(background,(0,0))
+    screen.blit(right,(240,120))
+    screen.blit(food,(360,300))
+    pygame.display.update()