import time
from random import *
time.sleep(0.1) # Wait for USB to become ready

print("ready")
from machine import Pin

leds = [Pin(4, Pin.OUT), Pin(5, Pin.OUT), Pin(6, Pin.OUT), Pin(7, Pin.OUT), Pin(8, Pin.OUT)]
ind = 0
while(True):

    for i in leds:
        ok = randint(0, 1)
        if ok == 0:
            i.high()
        else:
            i.low()

    time.sleep(0.1)