import turtle

x = turtle.Turtle()
x.speed(0)
def draw_square(side):
    x.penup()
    x.forward(side/2)
    x.pendown()
    x.left(90)
    x.forward(side/2)
    x.left(90)
    for i in range(1,4):
        x.forward(side)
        x.left(90)
    x.forward(side/2)
    x.left(90)
    x.forward(side)
    x.forward(-side/2)
    x.left(90)
    x.forward(side/2)
    x.forward(-side)
    x.forward(side/2)
    x.left(90)

def turn(squares):
    for a in range(0, 180, int(180/squares)):
        draw_square(100)
        x.left(180/squares)


turn(10)