Blink LED - python raspberry pi 3

import RPi.GPIO as GPIO
from time import sleep

GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
GPIO.setup(17, GPIO.OUT, initial=GPIO.LOW)

while True:
	GPIO.output(17, GPIO.HIGH)
	print("LED on")
	sleep(1)
	GPIO.output(17, GPIO.LOW)
	print("LED off")
	sleep(1)