#Código de semaforo vehícular y peatonal

from machine import Pin
import time

#Definir los pines de los leds

leds = [Pin(i, Pin.OUT) for i in (12, 14, 2, 4, 16, )]

while True:
    for led in leds:
        led.value(1)
        time.sleep(0.2)
        led.value(0)
    for led in reversed (leds):
        led.value(1)
        time.sleep(0.2)
        led.value(0)