save project

snake.py

@@ -2,8 +2,11 @@ import pygame
 from pygame import locals
 
 # 初始化pygame
-
 pygame.init()
+
+
+background =pygame.image.load('bg.png')
+
 # 创建一个窗口
 screen = pygame.display.set_mode((660,480))
 while True:
@@ -12,3 +15,6 @@ while True:
 
             exit()
             
+
+    screen.blit(background, (0,0))
+