from machine import Pin
from utime import sleep, sleep_ms
import _thread

l1= Pin(47, Pin.OUT)
l2= Pin(48, Pin.OUT)
l3= Pin(45, Pin.OUT)
l4= Pin(35, Pin.OUT)
l5= Pin(36, Pin.OUT)
l6= Pin(37, Pin.OUT)
l7= Pin(38, Pin.OUT)
l8= Pin(39, Pin.OUT)

leds = [l1,l2,l3,l4,l5,l6,l7,l8]

def tarea_uno():
    while True:
        for bombillo in leds[0:4:1]:
            bombillo.on()
            sleep_ms(50)
            bombillo.off()
            sleep_ms(50)
        for bombillo in leds[3:0:-1]:
            bombillo.on()
            sleep_ms(50)
            bombillo.off()
            sleep_ms(50)

_thread.start_new_thread(tarea_uno, ())

def izquierda():
    for bombillo in leds[4:8:1]:
        bombillo.on()
        sleep_ms(500)
        bombillo.off()
        sleep_ms(500)

while True:
    izquierda()