from machine import Pin
import time
import random

led = Pin(25, Pin.OUT)

cycle_count = 0

while True:
    if cycle_count<3:
        print("LED ON ")
        led.on()
       
        time.sleep(1)
        led.off()
        print("LED OFF")
        time.sleep(1)
    else:
        time_on = random.uniform(0.5, 3)
        time_off = random.uniform(0.5, 3)
        led.on()
        print("LED ON after random delay")
        time.sleep(time_on)
        led.off()
        print("LED OFF")
        time.sleep(time_off)
    cycle_count+=1