int ledPins[4] = {12, 14, 27, 26};
int buttonPins[4] = {15, 2, 0, 4};
int current_level = 1;
long randomNumber;
int level_one_led;


void setup() {
  for ( int i = 0; i < 4; i+=1) {
  pinMode(ledPins[i], OUTPUT);
  pinMode(buttonPins[i], INPUT);
}
  Serial.begin(115200);
}

void loop() {
  //randomNumber=random(ledPins[4]);
  //random_high_low=random(0,1);
  if (current_level = 1){
    digitalWrite(ledPins[random(0,4)],HIGH);
    level_one_led = random(0,4);
  }
  else if (current_level = 2){
    digitalWrite(ledPins[level_one_led],HIGH);
    digitalWrite(ledPins[random(0,4)],HIGH);
  }
  delay(500);
  
}