const int buttonPin=3;
const int buzzerPin=15;

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

void loop(){
  int buttonState= digitalRead(buttonPin);

  if(buttonState== LOW){
    digitalWrite(buzzerPin,HIGH);
    delay(1000);
  }
  else{
    digitalWrite(buzzerPin, LOW);
  }
  }