import time
import machine

# initialization
time.sleep(0.1) # Wait for USB to become ready
led_onboard = machine.Pin(25, machine.Pin.OUT)
led_0 = machine.Pin(0, machine.Pin.OUT)

# main loop
print("Hello, Pi Pico!")

led_onboard.value(1)
time.sleep(3)
led_onboard.value(0)

led_0.value(1)
time.sleep(3)
led_0.value(0)