import time
import board
import digitalio

led = digitalio.DigitalInOut(board.GP1)
led.direction = digitalio.Direction.OUTPUT

pb = digitalio.DigitalInOut(board.GP18)
pb.direction = digitalio.Direction.INPUT

while True:
    if (pb.value == True):
        while(1):
            led.value = True
    else:
        led.value = False