save project

snake.py

+import pygame
+# 初始化pygame，为使用pygame做准备
+pygame.init()
+screen = pygame.display.set_mode((680,480))
+while True:
+   for event in pygame. event.get():
+      if event.type==locals.QUIT:
+           exit()
+
+screen.blit(background,(0, 0))
+screen.blit(right,(240, 120))  
+screen.blit(food,(360, 300))
+pygame.display.update()     
\ No newline at end of file