int led = 7;
int button = 3;
int state = 0;

void setup() {
  //Setting my added pin as an output i can control.
  pinMode(led, OUTPUT);
  pinMode(button, INPUT);
}

void loop() {
  // check button state.
  state = digitalRead(button);
  if (state == HIGH) {
  digitalWrite(7, HIGH); //Turn my added LED on.
  delay(2000);
  digitalWrite(7, LOW);
  }
  else{
  digitalWrite(7, LOW);
}}