int buttonPin = 4; // Digital pin where the button is connected.
int ledPin2 = 7;
int ledPin = 8;   // Digital pin where the LED is connected.
int buttonState;

void setup() {
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);    // LED pin as an output.
  pinMode(ledPin2, OUTPUT);    // LED pin as an output.
  pinMode(buttonPin, INPUT);  // Button pin as an input.
}

void loop() {
  // Read the state of the button
  buttonState = digitalRead(buttonPin);


  // Check if the button is pressed
  if (buttonState == 1){
    digitalWrite(ledPin, HIGH);
    digitalWrite(ledPin2, LOW);
   Serial.println("LED1 ON ");// Turn LED on.
   Serial.println("LED2 OFF ");
  } else {
    digitalWrite(ledPin, LOW);
    digitalWrite(ledPin2, HIGH);
    Serial.println("LED Off "); 
    Serial.println("LED2 ON ");

  }
}