new_contents: import random
  
  window_width = 800
  window_height = 600
  
  def random_number(max):
    return random.random() * max
  
  def setup():
    size(window_width, window_height)
    
  def draw():
    x = random_number(window_width)
    y = random_number(window_height)
    box_width = random_number(200)
    box_height = random_number(200)
    colour = [random_number(255), random_number(255), random_number(255)]
    fill(colour[0], colour[1], colour[2])
    rect(x, y, box_width, box_height)
  
subject: Create example02.pyde