save project

snake.py

@@ -79,5 +79,7 @@ while True:
     info="Score:"+str(score)
     info="Score:"+str(score)
     text=my_font.render(info,True,(0,0,0))
     text=my_font.render(info,True,(0,0,0))
     screen.blit(text,(540,10))
     screen.blit(text,(540,10))
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(10)
     FPSCLOCK.tick(10)
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