import RPi.GPIO as GPIO
import time

# GPIO mode
GPIO.setmode(GPIO.BCM)

# Pin definitions
RELAY_PIN = 23
LED_PIN = 18

# Setup pins as output
GPIO.setup(RELAY_PIN, GPIO.OUT)
GPIO.setup(LED_PIN, GPIO.OUT)

print("Relay and LED control started")

try:
    while True:
        # Turn ON relay and LED
        GPIO.output(RELAY_PIN, GPIO.HIGH)
        GPIO.output(LED_PIN, GPIO.HIGH)
        print("Relay ON, LED ON")
        time.sleep(2)

        # Turn OFF relay and LED
        GPIO.output(RELAY_PIN, GPIO.LOW)
        GPIO.output(LED_PIN, GPIO.LOW)
        print("Relay OFF, LED OFF")
        time.sleep(2)

except KeyboardInterrupt:
    print("Program stopped by user")

finally:
    GPIO.cleanup()