save project

my_Tetris.py

 import pygame
 from pygame import locals
-
+import random
 pygame.init()   # 初始化
 score = 0
 grid_size = 20  # 格子大小
@@ -54,7 +54,7 @@ def check(center):
     for cube in current_shape:
         cube =(cube[0]+center[0],cube[1]+center[1])
         if cube[0] < 1 or cube[1] < 1 or cube[0] > grid_num_height \
-            or cube[1] >grid_unm_width:
+            or cube[1] >grid_num_width:
             return False
 while True:
     for event in pygame.event.get():
@@ -62,7 +62,7 @@ while True:
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_LEFT:     # 向右
-                center[1] = cebter[1] - 1
+                center[1] = center[1] - 1
                 for cube in current_pos:
                     if cube[1] <= 1:
                         center[1] = center[1] + 1