from machine import Pin
from time import sleep

t = 0.5

led1 = Pin(16, Pin.OUT)
led2 = Pin(4, Pin.OUT)
led3 = Pin(0, Pin.OUT)
led4 = Pin(2, Pin.OUT)
led5 = Pin(15, Pin.OUT)

def apagar():
    led1.off()
    led2.off()
    led3.off()
    led4.off()
    led5.off()

while True:
    apagar()
    sleep(t)
    led3.on()
    sleep(t)
    led2.on()
    led4.on()
    sleep(t)
    led1.on()
    led5.on()
    sleep(t)
    led3.off()
    sleep(t)
    led2.off()
    led4.off()
    sleep(t)