import turtle turtle.color("red")

def back(len): turtle.penup() turtle.backward(len) turtle.pendown()

#forward helper
def move(len): back(-1 * len)

def polygon(num, size): for i in range(num): turtle.forward(size) turtle.left(360 / num)

for n in range(3,10): move(50) polygon(n, 100 / n) back(50) turtle.right(360 / 7)