raspberry gpio tutorial 3..control LED using button in tamil

python codings     

import RPi.GPIO as GPIO

import time

GPIO.setmode(GPIO.BCM)

GPIO.setwarnings(False)

GPIO.setup(17,GPIO.IN)

GPIO.setup(27,GPIO.OUT)

while 1:

    if GPIO.input(17):

        GPIO.output(27,GPIO.LOW)

        print 'led off'

        time.sleep(1)

    else:

        GPIO.output(27,GPIO.HIGH)

        print 'led on'

        time.sleep(1)

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copy that and paste in your python idle