LED Randomizer for Raspberry Pi.

ledrandomizer.py

import RPi.GPIO as GPIO, time
import random

# Setting up random seed variables
random.seed()
ledresult = 1

# Setting up some structures for the Raspberry Pi LED controls
GPIO.setmode(GPIO.BCM)
GREEN_LED = 18
RED_LED = 23
GPIO.setup(GREEN_LED, GPIO.OUT)
GPIO.setup(RED_LED, GPIO.OUT)
 
# Main program
try:
    while True:
        ledresult = random.randint(1,4)
        if ledresult == 1:
            GPIO.output(GREEN_LED, False)
            GPIO.output(RED_LED, False)
        if ledresult == 2:
            GPIO.output(GREEN_LED, True)
            GPIO.output(RED_LED, False)
        if ledresult == 3:
            GPIO.output(GREEN_LED, False)
            GPIO.output(RED_LED, True)
        if ledresult == 4:
            GPIO.output(GREEN_LED, True)
            GPIO.output(RED_LED, True)
        time.sleep(0.1)
 
except KeyboardInterrupt:
    GPIO.cleanup()
    print "Clean program exit."