auto save

dd.py

+from random import randint
+a = randint(2,5)
+print(a)
+# import random
+# a = random.randint(2,5)
+# print(a)
\ No newline at end of file

snake.py

 import pygame
+from pygame import locals
 
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
 # 创建一个窗口
-??
\ No newline at end of file
+screen = pygame.display.set_mode((660,480))
+while True :
+    for event in pygame.event.get() :
+        if event.type == locals.QUIT :
+            exit()
\ No newline at end of file