from machine import Pin
import time

exe_led = Pin(15,Pin.OUT)
button = Pin(14,Pin.IN,Pin.PULL_DOWN) 

print ("practice 1 ready : press and hold the button")
last_state = 0
while True:
    current_state = button.value()

    if current_state == 1 and last_state == 0:
        print("Button PRESSED")
    elif current_state == 0 and last state == 1:
        print("Button RELEASED")

    exe_led.value(current_state)
    last_state = current_state
    time.sleep(0.05)