save project

my_Tetris.py

@@ -20,11 +20,12 @@ while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
-
+    
     # 将背景图画上去
-    ???
+    screen.blit(background,(0,0))
     # 得分
-    ???
+    df=font.render(str(score),True,(0,0,0))
+    screen.blit(df,(350,70))
     # 刷新画面
     pygame.display.update()
     clock.tick(FPS)