from machine import Pin
from time import sleep

LED = Pin(15, Pin.OUT)     
BUTTON = Pin(16, Pin.IN)    

while True:
    if BUTTON.value() == 1:
        LED.on()
        sleep(0.1)

    else:
        LED.off()
$abcdeabcde151015202530fghijfghij
BOOTSELLED1239USBRaspberryPiPico©2020RP2-8020/21P64M15.00TTT