import RPi.GPIO as GPIO
import time
//GPIO15 = pin 10
channel = 15

GPIO.setmode(GPIO.BCM)
GPIO.setup(channel, GPIO.IN, pull_up_down=GPIO.PUD_UP)

input_val = GPIO.input(channel)

print("gpio: {}".format(channel) )
print( "{}".format(input_val))


msg ="unplugged"

if input_val == 1:
    msg ="pluged-in"
print(msg)

GPIO.cleanup()