int button = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode(2, INPUT);
  pinMode(13, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  button = digitalRead(2);

  if(button = HIGH){

    digitalWrite(13, HIGH);

  } else{

    digitalWrite(13, LOW);
    
  }
}