auto save

snake.py

@@ -47,4 +47,11 @@ while True:
         apper_x= num*30-30
         apper_y= num*30-30
     else:
-        position.pop(0)    
\ No newline at end of file
+        position.pop(0)
+    screen.blit(background,(0,0))
+    screen.blit(snack_head,position[-1])
+    for i in range(len(position)) 
+        screen.blit(body,position[i])
+    screen.blit(food,(apple_x,apper_y)
+    pygame.display.update()
+    FPSCOCK.tick(3)   
\ No newline at end of file