int buttonPin = 2;
int ledPin = 3;
int ledpin = 4;
void setup() {
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(ledPin, OUTPUT);
  pinMode (ledpin, OUTPUT );
}

void loop() {
  int buttonState = digitalRead(buttonPin);
  if (buttonState == LOW) {
    digitalWrite(ledPin, HIGH);
    digitalWrite (ledpin, LOW );
  } else {
    digitalWrite(ledPin, LOW);
    digitalWrite (ledpin, HIGH );
  }
}