auto save

snake.py

 import pygame
-
+from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
-
+bg=pygame.image.load("bg.png")
+left=pygame.image.load("left.png")
+up=pygame.image.load("up.png")
+down=pygame.image.load("down.png")
+right=pygame.image.load("right.png")
+apple=pygame.image.load("apple.png")
 # 创建一个窗口
-??
\ No newline at end of file
+screen=pygame.display.set_mode((800,600))
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+    screen.blit(bg,(0,0))
+    screen.blit(left,(360,450))
+    screen.blit(up,(360,480))
+    screen.blit(down,(360,510))
+    screen.blit(right,(360,540))
+    screen.blit(apple,(450,510))
+    pygame.display.update()
+