int redled = 13;
int button = 10;

boolean buttonStatus = false;

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

void loop() {
  buttonStatus = digitalRead(button);


  if (buttonStatus == HIGH) {
    digitalWrite(redled, HIGH);
  } else {
    digitalWrite(redled, LOW);
  }
}