from machine import Pin
import time
print('Hello, palida')
led1 = Pin(2, Pin.OUT)
led2 = Pin(4, Pin.OUT)
led3 = Pin(16, Pin.OUT)
led4 = Pin(17, Pin.OUT)
led5 = Pin(5, Pin.OUT)
counter = 0

while True:
    led1.on()
    time.sleep(0.5)
    led1.off()
    time.sleep(0.5)
    led2.on()
    time.sleep(0.5)
    led2.off()
    time.sleep(0.5)
    led3.on()
    time.sleep(0.5)
    led3.off()
    time.sleep(0.5)
    led4.on()
    time.sleep(0.5)
    led4.off()
    time.sleep(0.5)
    led5.on()
    time.sleep(0.5)
    led5.off()
    time.sleep(0.5)
    counter += 1
    print('palida',counter)