# library for time delay
import time;
from random import randint
# library for controlling pins (GPIO pins)
import RPi.GPIO as GPIO;

# set GPIO pin 7 as output
GPIO.setmode(GPIO.BOARD);
GPIO.setup(8, GPIO.OUT);

# loop until user presses Ctrl + C
while True:
	GPIO.output(8, True);
	time.sleep(randint(200,1000)/1000);
	GPIO.output(8, False);
	time.sleep(randint(200,1000)/1000);