const int buttonPin = 2;
const int ledPin = 13

void setup() {
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(buttonPin)==LOW){
    digitalWrite(ledPin, HIGH);
    tone(buzzerPin, 1000);
    delay(100);
  }
  else{
    digitalWrite(ledPin, LOW);
    noTone(buzzerPin);
  }
}