import turtle

wn = turtle.Screen()
wn.bgcolor("light green")
wn.title("Turtle")

turtle1 = turtle.Turtle()
turtle1.color("blue")

turtle2 = turtle.Turtle()
turtle2.up()
turtle2.goto(-200,200)
turtle2.down()


def sqrfunc(size):
    for i in range(4):
        turtle1.fd(size)
        turtle1.left(90)
        turtle2.fd(size)
        turtle2.left(90)
        size = size-5


sqrfunc(146)
sqrfunc(126)
sqrfunc(106)
sqrfunc(86)
sqrfunc(66)
sqrfunc(46)
sqrfunc(26)

turtle.done()