auto save

snake.py

 import pygame
 from pygame import locals
+pygame.init()
+screen = pygame.display.set_mode((800,600))
+background = pygame.image.load('bg.png')
+food = pygame.image.load('apple.png')
+right = pygame.image.load('right.png')
+
+while True:
+    for i in pygame.event.get():
+        if  i.type == locals.QUIT:
+            exit()
+    screen.blit(background,(0,0))
+    screen.blit(food,(180,180))
+    screen.blit(right,(150,180))
+    pygame.display.update()
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