save project

snake.py

@@ -2,11 +2,16 @@ 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')
 # 创建一个窗口
 screen=pygame.display.set_mode((660,480))
+
+
 while True:
     for event in pygame.event.get():
-        if event.type == locals .QUIT:
-            exit()
\ No newline at end of file
+        if event.type == locals.QUIT:
+            exit()
+
+    
+    screen.blit(background,(0,0))
+    pygame.display.update()
\ No newline at end of file