new_contents: #! /usr/bin/env python3
  
  #
  # Copyright (c) 2014 PolyFloyd
  #
  
  import ledbanner
  import math
  import random
  import time
  
  cube          = ledbanner.LEDBanner()
  steps         = [math.sin(i / 40 * math.pi / 2) for i in range(0, 40)]
  frame_current = cube.make_frame()
  frame_target  = cube.make_frame()
  
  while 1:
  	frame_source = frame_target
  	frame_target = cube.make_frame()
  	for i in range(0, len(frame_target)):
  		frame_target[i] = random.randint(0, 255)
  	for m in steps:
  		for j in range(0, len(frame_target)):
  			frame_current[j] = int(frame_source[j] * (1 - m) + frame_target[j] * m)
  		cube.set_frame(frame_current)
  		time.sleep(1 / cube.fps)
  
subject: Add the pseudorandom program