#define LED_PIN 0       // LED connected to pin 1
#define BUTTON_PIN 1    // Pushbutton connected to pin 2

void setup() {
  pinMode(LED_PIN, OUTPUT);          // Set LED pin as output
  pinMode(BUTTON_PIN, INPUT_PULLUP); // Set button pin as input with pull-up resistor
}

void loop() {
  int buttonState = digitalRead(BUTTON_PIN);  // Read button state
  
  if (buttonState == LOW) {  // If button is pressed
    digitalWrite(LED_PIN, HIGH); // Turn on LED
  } else {
    digitalWrite(LED_PIN, LOW);  // Turn off LED
  }
}