import RPi.GPIO as GPIO
import time

GPIO.setmode(GPIO.BCM)

BTN = 22 

LED = 19


GPIO.setup(LED, GPIO.OUT)

GPIO.setup(BTN, GPIO.IN, pull_up_down=GPIO.PUD_UP)

print("Button & LED control started")

try:

    while True:

        button_state = GPIO.Input(BTN)
        GPIO.output(LED,not button_state)
        time.sleep(0.01)
        except keyboardInterrupt:
            print("program stopped by user")
finally:
    GPIO.cleanup()