Arduino Project Starter

int count = 0;
bool flipFlop = true;  //BOOLEAN

void setup(){
  //ASSIGN PINS TO LEDS
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  //ASSIGN THE SWITCH
  pinMode(10, INPUT);
}

void loop(){
  if(digitalRead(10)){  // BUTTON PRESSED
    if(flipFlop){
      count = count + 1;  // count++;
      flipFlop = false;
    }
  } else {  // BUTTON RELEASED
    flipFlop = true;
  }
  if(count == 1){
    digitalWrite(2, HIGH);
  } else if(count == 2){
    digitalWrite(3, HIGH);
  } else if(count == 3){
    digitalWrite(4, HIGH);
  }
}