save project

my_Tetris.py

@@ -22,9 +22,9 @@ while True:
             exit()
 
     # 将背景图画上去
-    ???
+    screen.blit(background,(0,0))
     # 得分
-    ???
-    # 刷新画面
+    score_text=font.render(str(score),True,(0,0,0))
+    screen.blit(score_text,(350,70))# 刷新画面
     pygame.display.update()
     clock.tick(FPS)