nestingPolygons.py

#CSci 127 Teaching Staff
#January 2021
#A template for a program that draws nested polygons
#Modified by:  --- Your Name Here! ---
#Email: --- Your Email Here! ---

import turtle
def setUp(t, dist, col):
    """
    Takes three parameters, a turtle, t, the distance, dist,
    to move the turtle and a color, col, to set the turtle's color.
    DO NOT CHANGE THE CODE IN THIS FUNCTION
    """
    t.penup()
    t.forward(dist)
    t.pendown()
    t.color(col)


def nestedPolygon(t, length, sides):
    """
    Takes three parameters: a turtle a side length and the number of sides.
    The function does the following: if the length is greater than 10,
    it repeats sides times:  moves forward that length, turns 360/sides degrees.
    When that is completed, it calls nestedPolygon(t, length/2, sides).
    """

     ###################################
     ### FILL IN YOUR CODE HERE      ###
     ### Other than your name above, ###
     ### these are the only sections ###
     ### you change in this program. ###
     ###################################





def fractalPolygon(t, length, sides):
    """
    Takes three parameters: a turtle a side length and the number of sides.
    The function does the following: if the length is greater than 10,
    it repeats sides times:  moves forward that length, turns 360/sides degrees,
    and calls fractalPolygon(t, length/2, sides).
    """

     ###################################
     ### FILL IN YOUR CODE HERE      ###
     ### Other than your name above, ###
     ### these are the only sections ###
     ### you change in this program. ###
     ###################################




def main():
    l = int(input('Enter length: '))
    s = int(input('Enter number of sides: '))

    #check there are enough sides to draw a polygon
    if s < 3:
        print("A polygon must have at least 3 sides.")
    else:
        tom = turtle.Turtle()
        setUp(tom, -100, "darkgreen")
        nestedPolygon(tom, l, s)

        tess = turtle.Turtle()
        setUp(tess, 100, "steelblue")
        fractalPolygon(tess, l, s)

if __name__ == "__main__":
     main()