Given the following code snippet, what will be printed when the button connected to GPIO 22 is pressed once?

Given the following code snippet, what will be printed when the button connected to GPIO 22 is pressed once?

import RPi.GPIO as GPIO
import time

def on_button_press(channel):
    print('Pressed')

GPIO.setmode(GPIO.BCM)
GPIO.setup(22, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.add_event_detect(22, GPIO.FALLING, callback=on_button_press, bouncetime=200)

while True:
    time.sleep(1)