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')
+
 # 创建一个窗口
-??
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+screen=pygame.display.set_mode((660,480))
+while True:
+    for event in pygame.event.get():
+        print(event)
+        if event.type  ==  locals.QUIT:
+            exit()
+
+
+
+    screen.blit(background,(0,0))
+
+    pygame.display.update( )
+
+
+
+#pygame.display.set_mode(size=(width,height),flags=0,depth=0,display)
+#pygame.event.get()   
+#for event in pygame.event.get():
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