import RPi.GPIO as GPIO

GPIO.setmode(GPIO.BOARD)
GPIO.setup(16, GPIO.IN, pull_up_down = GPIO.PUD_DOWN)
GPIO.setup(18, GPIO.IN, pull_up_down = GPIO.PUD_UP)

def printFunction(channel):
	print("Button 1 pressed")
	print("Note how the bouncetime affects the button press")

GPIO.add_event_detect(16, GPIO.RISING, callback=printFunction, bouncetime=300)

while True:

	GPIO.wait_for_edge(18, GPIO.FALLING)
	print("Button 2 Pressed")
	GPIO.wait_for_edge(18, GPIO.RISING)
	print("Button 2 Released")


GPIO.cleanup()