# import required libraries 
import RPi.GPIO as GPIO
import time

# set up the GPIO 18 for output
portNo = 12 # GPIO 18 is on physical port 12
GPIO.setmode(GPIO.BOARD)
GPIO.setup(portNo, GPIO.OUT)

# blink the LED
for i in range(3):
    GPIO.output(portNo,True)
    time.sleep(1)
    GPIO.output(portNo,False)
    time.sleep(1)

# clean up GPIO settings
GPIO.cleanup()

2b6e741ecdc9fe9e636b6196c30a656bcdf12e71
<mask token>

<mask token>
GPIO.setmode(GPIO.BOARD)
GPIO.setup(portNo, GPIO.OUT)
for i in range(3):
    GPIO.output(portNo, True)
    time.sleep(1)
    GPIO.output(portNo, False)
    time.sleep(1)
GPIO.cleanup()

<mask token>
portNo = 12
GPIO.setmode(GPIO.BOARD)
GPIO.setup(portNo, GPIO.OUT)
for i in range(3):
    GPIO.output(portNo, True)
    time.sleep(1)
    GPIO.output(portNo, False)
    time.sleep(1)
GPIO.cleanup()

import RPi.GPIO as GPIO
import time
portNo = 12
GPIO.setmode(GPIO.BOARD)
GPIO.setup(portNo, GPIO.OUT)
for i in range(3):
    GPIO.output(portNo, True)
    time.sleep(1)
    GPIO.output(portNo, False)
    time.sleep(1)
GPIO.cleanup()

# import required libraries 
import RPi.GPIO as GPIO
import time

# set up the GPIO 18 for output
portNo = 12 # GPIO 18 is on physical port 12
GPIO.setmode(GPIO.BOARD)
GPIO.setup(portNo, GPIO.OUT)

# blink the LED
for i in range(3):
    GPIO.output(portNo,True)
    time.sleep(1)
    GPIO.output(portNo,False)
    time.sleep(1)

# clean up GPIO settings
GPIO.cleanup()
