auto save

snake.py

@@ -13,6 +13,8 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
+FPS = pygame.time.Clock()
+
 x,y = 240,120
 
 while True:
@@ -32,4 +34,5 @@ while True:
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    FPS.tick(1)
\ No newline at end of file