auto save

snake.py

@@ -4,4 +4,6 @@ import pygame
 pygame.init()
 
 # 创建一个窗口
-screen = pygame.display.set_mode((660,480),0,32)
\ No newline at end of file
+screen = pygame.display.set_mode((660,480),0,32)
+while True:
+    for event in pygame.enev