Simple Python Script for Raspberry Pi

led.py

#!/usr/bin/python3

# external module imports
import RPi.GPIO
import time

# button and LED assignment
button = 26
led = 19

# ignores GPIO errors
RPi.GPIO.setwarnings(False)

# pin setup
RPi.GPIO.setmode(RPi.GPIO.BCM)

# button pin set as input with pull-up
RPi.GPIO.setup(button, RPi.GPIO.IN, pull_up_down=RPi.GPIO.PUD_UP)

# LED pin set as output
RPi.GPIO.setup(led, RPi.GPIO.OUT)


while True:
	if RPi.GPIO.input(button) == RPi.GPIO.LOW:
		print("The button was pressed")
		RPi.GPIO.output(led,RPi.GPIO.HIGH)
		time.sleep(0.1)
	else:
		RPi.GPIO.output(led,RPi.GPIO.LOW)
		time.sleep(0.1)