下图是海龟行走路线

同样的代码，完成不同的迷宫！

# -*- coding: utf-8 -*-
from turtle import *
g=[[0,0,1,0],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[1,1,0,0],
   [1,0,1,0],[0,1,1,0],[0,1,0,0],[0,1,0,0],[0,1,0,0],[0,1,0,0],[0,1,0,0],[0,1,0,0],[1,1,0,0],[1,0,1,0],
   [1,0,1,0],[0,0,1,1],[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1],[1,0,0,0],[1,0,1,0],
   [0,0,1,0],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[1,1,0,1],[1,0,1,0],[1,0,1,0],
   [0,0,1,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,1,0,1],[1,0,0,1],[1.0,1,0]]
setup(550,350)
bgpic('c:/12.gif')  # 主要图片的名称和位置
speed(10000)
penup()
pensize(11)
pencolor('red')
goto(-225,150)
pendown()
right(90)
forward(50)
fx=3
x=0
while x!=49:
    fx0=fx-1
    if fx0==-1:
        fx0=3
    if g[x][fx0]==0:
        right(90)
        forward(50)
        fx=fx0
        if fx==0:
            x+=1
        if fx==1:
            x-=10
        if fx==2:
            x-=1
        if fx==3:
            x+=10
    else:
        left(90)
        fx=fx+1
        if fx==4:
            fx=0
if fx==0:
    right(90)
forward(50)
done()