int ledpin1 = 13;
int ledpin2 = 12;
int buttonpin = 4;
bool buttonstate = false;


void setup() {
  // put your setup code here, to run once:
  pinMode(ledpin1, OUTPUT);
  pinMode(ledpin2, OUTPUT);
  pinMode(buttonpin, INPUT);
}

void loop() {
  buttonstate = digitalRead(buttonpin);
  if(buttonstate == HIGH)
  {
     digitalWrite(ledpin1, HIGH);
     digitalWrite(ledpin2, HIGH);
  }
  else
  {
     digitalWrite(ledpin1, LOW);  
     digitalWrite(ledpin2, LOW);
  }
}