auto save

snake.py

+import pygame
+from pygame import locals
+
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+#导入图片
+bg = pygame.image.load('bg.png')
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
+
+    #渲染图片
+    screen.blit(bg,(0,0))
+
+    #刷新图片
+    pygame.display.update()
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