save project

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
-screen = pygame.display.set_mode((680，800))
+screen = pygame.display.set_mode((680,800))
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT: