import turtle
turtle.speed(2)

turtle.colormode(255)
turtle.pencolor(10,50,250)
turtle.pensize(2)

for i in range(10):
    turtle.forward(100)
    turtle.right(90)
    turtle.forward(100)
    turtle.right(90)
    turtle.forward(100)
    turtle.right(90)
    turtle.forward(100)
    turtle.right(90)

    turtle.right(36)


turtle.done()