int ledState = LOW;

void setup() {
  pinMode(2, INPUT);
  pinMode(3, OUTPUT);
  digitalWrite(3, ledState);  // Initialize LED to OFF
}

void loop() {
  if (digitalRead(2) == HIGH) {   // Check if button is pressed
    ledState = !ledState;          // Toggle LED state
    digitalWrite(3, ledState);     // Update LED
    delay(200);                    // Debounce delay
  }
}