import RPi.GPIO as GPIO  # Import library for GPIO (pin) access
GPIO.setmode(GPIO.BOARD) # Specify that we use the BOARD numbers (pin numbers 1-40 on the connector)
GPIO.setwarnings(False)  # Disable the warning "This channel is already in use"

# ******** PIN CONFIGURATION *************************************
GPIO.setup(22, GPIO.OUT)  # Configure pin 22 as an output (OUT)
# ****************************************************************

GPIO.output(22, 0)  # Turn off the LED when the program starts
                    # It could be on if a previous program left it on

while True:
    x = input("Enter on or off: ")
    if x == 'on':
        GPIO.output(22, 1)
    elif x == 'off':
        GPIO.output(22, 0)