new_contents: import turtle
  import turtlehack
  import random
  
  # A function that draws an n-sided polygon
  def n_sided_polygon(turtle, n, color="#FFFFFF", line_thickness=1):
  	'''
  	Draw an n-sided polygon
  	input: turtle, n, line_length
  	'''
  	# for n times:
  	# Draw a line, then turn 360/n degrees and draw another
  
  	# set initial parameters
    	turtle.degrees()
  	line_length=80
    	turtle.pensize(line_thickness)
    	turn_angle = (360/n)
    	i = 1
  
  	# Draw each line segment and turn
  
    	while (i <= n):
  		turtle.color(color)
      		turtle.pendown()
      		turtle.forward(line_length)
     		turtle.penup()
      		turtle.right(turn_angle)
      		i += 1
  
  	return 0
   
  ## MAIN ##
  # set initial parameters
  n=random.randint(3,12)
  
  # create the Turle instance
  graphic = turtle.Turtle()
  
  turtlehack.n_sided_polygon(graphic, n, turtlehack.random_color(), random.randint(4,8))
  
  ignore = input("hit any key to continue:")
  graphic.done()
  
  
subject: add n-sided polygon code