from machine import Pin
from time import sleep

led = Pin(0, Pin.OUT)
led2 = Pin(10, Pin.OUT)

while True:
    led.on()
    sleep(1)
    led.off()
    sleep(1)
    led.on()
    sleep(1)
    led.off()
    sleep(1)
    led.on()
    sleep(1)
    led.off()
    sleep(1)
    led.on()
    sleep(1)
    led.off()
    sleep(1)    
    led.on()
    sleep(1)
    led.off()
    sleep(1)
    sleep(5)