const int numButtons = 3;                    // Number of buttons and LEDs
const int buttonPins[numButtons] = {22, 24, 26}; // Pins for buttons
const int ledPins[numButtons] = {23, 25, 27}; // Pins for LEDs

void setup() {
  // Configure button pins as INPUT_PULLUP and LED pins as OUTPUT
  for (int i = 0; i < numButtons; i++) {
    pinMode(buttonPins[i], INPUT);  // Set button pin with internal pull-up resistor
    pinMode(ledPins[i], OUTPUT);          // Set LED pin as output
    digitalWrite(ledPins[i], LOW);        // Ensure LEDs are off initially
  }
}

void loop() {
  for (int i = 0; i < numButtons; i++) {
    // Read the button state (LOW when pressed, HIGH when not pressed)
    int buttonState = digitalRead(buttonPins[i]);

    if (buttonState == LOW) {
      digitalWrite(ledPins[i], HIGH);   // Turn LED on
    } else {
      digitalWrite(ledPins[i], LOW);    // Turn LED off
    }
  }
}