# example function (using turtle and random modules)

import turtle
import random

# define a function to draw a polygon/shape
def draw_shape(my_turtle, x, y, size, number_sides):
    my_turtle.penup()
    my_turtle.goto(x, y)
    my_turtle.pendown()
    random_color = random.randint(0, len(colors)-1)
    my_turtle.color(colors[random_color])

    # draw a square
    for side in range(number_sides):
        my_turtle.forward(size)
        my_turtle.right(360 / number_sides)


tom = turtle.Turtle()
tom.speed("slow")
colors = ["red", "pink", "black", "yellow", "cyan", "purple", "green"]

draw_shape(tom, -50, 50, 100, 4)
draw_shape(tom, -100, 50, 100, 5)
draw_shape(tom, -150, 50, 100, 9)
draw_shape(tom, -200, 100, 100, 6)

turtle.done()