save project

snake.py

 import pygame
-
+from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
-
+beijing=pygame.image.load("bg.png")
 # 创建一个窗口
-sceen = pygame.display.set_mode((640,480))
\ No newline at end of file
+sceen = pygame.display.set_mode((640,480))
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()
+
+    sceen.blit(beijing,(0,0))
+    pygame.display.update()