save project

snake.py

 import pygame
 import pygame
-from pygame import locals()
+from pygame import locals
 # 初始化pygame，为使用pygame做准备
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
-backgtound = pygame.image.load('bg.png')
+background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')