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

print("Hello, Pi Pico!")

led = Pin(19, Pin.OUT)  #conifig pin GP19 as OUTPUT
while True:
    led.value(1)    #Turn on the LED
    time.sleep(1)   # delay of 1 sec
    led.value(0)    #Turn off the LED
    time.sleep(1)   #delay of 1 sec