python turtle写“王”字

turtle.pensize(10)
turtle.down()
turtle.forward(100)
turtle.up()
turtle.backward(100)
turtle.left(90)
turtle.forward(50)
turtle.right(90)
turtle.down()
turtle.forward(100)
turtle.up()
turtle.backward(100)
turtle.left(90)
turtle.forward(50)
turtle.right(90)
turtle.down()
turtle.forward(100)
turtle.up()
turtle.backward(50)
turtle.right(90)
turtle.down()
turtle.forward(100)
turtle.done()