from machine import Pin
from time import sleep
sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")

led3 = Pin(16, Pin.OUT)
led2 = Pin(17, Pin.OUT)
led1 = Pin(18, Pin.OUT)

button = Pin(28, Pin.OUT)

while True:
    button.on()

    led1.on()
    sleep(5)
    led1.off()
    led2.on()
    sleep(2)
    led2.off()
    led3.on()
    sleep(6)
    led3.off()