auto save

snake.py

@@ -17,7 +17,12 @@ while True:
         if event.type == locals.QUIT:
             exit()
 
+
+    #将背景画上去
+
     screen.blit(background,(0,0))
+    #将贪吃蛇的头画上去
+    screen.blit(right , (290,120))
     for i in range(8):
         screen.blit(right,(x,y))
         screen.blit(body,(x-30,y))