#!/usr/bin/python

import RPi.GPIO as GPIO
import time
import random


GPIO_RED = 10
GPIO_GREEN = 9
GPIO_BLUE = 11
GPIOS = (GPIO_RED, GPIO_GREEN, GPIO_BLUE)


GPIO.setmode(GPIO.BCM)

for gpio in GPIOS:
    GPIO.setup(gpio, GPIO.OUT)


def rand():
    return random.choice((False, True))


def setcolor(r, g, b):
    GPIO.output(GPIO_RED, r)
    GPIO.output(GPIO_GREEN, g)
    GPIO.output(GPIO_BLUE, b)


if __name__ == '__main__':
    try:
        while True:
            setcolor(rand(), rand(), rand())
            time.sleep(random.random())
    except KeyboardInterrupt:
        GPIO.cleanup()