from machine import Pin
from time import sleep

roja=Pin(2,Pin.OUT)
lerde:Pin(4,Pin.OUT)

while True:
    verde.on()
    roja.off()
    sleep(4)


    for _ in range(10):
        verde.on()
        sleep(0.5)
        verde.off()
        sleep(0.5)
        
    verde.off()
    rojo.on()
    sleep(5)