save project

my_Tetris.py

@@ -22,12 +22,13 @@ while True:
             exit()
         if event.type==locals.KEYDOWN:
             if center[1]<15:
+                center[1]=center[1]+1
         elif event.key==locals.K.LEET:
             if center[1]>1:
                 center[1]=center[1]-1
         elif event.key==locals.K.LEET:
-            if center[1]<25:
-                center[1]=center[1]+1
+            if center[0]<25:
+                center[0]=center[0]+1
     # 将背景图画上去
     screen.blit(background,(0,0))
     pygame.draw.rect(screen,(255,0,0),