gpiotest.py

#!/usr/bin/python
import time
import RPi.GPIO as GPIO
inpin = 11 #BCM17
GPIO.setmode(GPIO.BOARD)
GPIO.setup(inpin,GPIO.IN, pull_up_down=GPIO.PUD_UP)
def simple():
    while True:
        time.sleep(0.1)
        curr = GPIO.input(inpin)
        print(str(curr))
        
def event():
    def myE(ch):
        curr = GPIO.input(inpin)
        print(str(curr))
        
    GPIO.add_event_detect(inpin, GPIO.BOTH, callback=myE, bouncetime=300)
    while True:
        time.sleep(1)
try:
    event()
finally:                  
    GPIO.cleanup()