下面Python代码执行后输出的图形是 ( )。

import turtle

for i in range(1,10,2):

turtle.goto(i*40,0)

turtle.forward(40)

turtle.right(90)

turtle.forward(40)

turtle.right(90)

turtle.forward(40)

turtle.right(90)

turtle.forward(40)

turtle.right(90)