maya python创建迷宫

import maya.cmds as py
import random  
dicColor={0:[1,0,0]}
def weiqiang():
    for m in range(8):
        for i in range(-10,11):
            for j in range(-10,11):
               
                if(m==0):
                    a=`py.polyCube()`;
                    py.move(i,m,j)
                    py.polyColorPerVertex(colorRGB=[1,1,1],colorDisplayOption=1)  
                    py.NextFrame()
                else:
                     if i==-10 or i==10 and j!=-9:
                         py.polyCube()
                         py.move(i,m,j)
                         py.NextFrame()

                     if j==-10 or j==10 and i!=-9:
                         py.polyCube()
                         py.move(i,m,j)  
                         py.NextFrame()      
                
def changjing():
    lists = [[] for i in range(0,20)]
    for k in range(0,19):
        for n in range(0,19):
            lists[k].append(random.randint(0,2))            
          
    for i in range(0,19):
        for j in range(0,19):
            if lists[i][j]==1:
                py.polyCube()
                py.move(i-9,1,j-9)
                py.NextFrame()

weiqiang()
changjing()