Raspberry Pi GPIO(11) INPUT status check

scan_switch.py

import time
import RPi.GPIO as GPIO

# GPIO setup
GPIO.setmode(GPIO.BCM)

# GPIO11(PIN23) setup for output
GPIO.setup(11, GPIO.IN)

# default status switch off(False)
cur_status = False

# push counter
push_count = 0

# scan GPIO11 LOW or HI every 0.5sec,
#	 until push 5times
while (push_count < 5):
	status = GPIO.input(11)

	# check change status
	if cur_status != status:
		if status == True:
			print 'switch on'
			push_count = push_count + 1
		else:
			print 'switch off'
		cur_status = status
	
	# wait 0.5sec
	time.sleep(0.5)

# GPIO cleanup
GPIO.cleanup()