int buttonStatus;

// Required, setup runs when arduino starts
void setup() {
  
  //Examples
  //pinMode(pin, mode); //pin number, mode input, output, or input_pullup
  //digitalWrite(pin, value); //HIGH (3.5v), LOW (0v)
  //digitalRead(pin); //RETURNS: 1 connected, 0 disconnected

  //int, String, char, float
  //if(condition) {}
  
  //Serial = console
  Serial.begin(9600); //9600 bit rate to monitor

  pinMode(9, OUTPUT);
  pinMode(13, INPUT_PULLUP);
}

// Required, loop that continues to run, the kernel
void loop() {

  int status;

  status = digitalRead(13);

  if(status == 1) {
    digitalWrite(9, LOW);
  } else {
    digitalWrite(9, HIGH);
  }

}