   pinMode(A4,INPUT);
   pinMode(A5,INPUT);
   
-  //set up digital outputs
+  // Initialize LED pins
   pinMode(2,OUTPUT);
   pinMode(3,OUTPUT);
   pinMode(4,OUTPUT);


//loop repeats continuously
void loop(){
  //declare array for holding the photoresistor measurement values
  int photoresistor_analog_readings[6];
  
  //fill the array
  photoresistor_analog_readings[0] = analogRead(A0);
  photoresistor_analog_readings[1] = analogRead(A1);
  photoresistor_analog_readings[2] = analogRead(A2);

  photoresistor_analog_readings[4] = analogRead(A4);
  photoresistor_analog_readings[5] = analogRead(A5);
  
  //Display the photoresistor readings
  for(int i=0;i<6;i++){
    if(photoresistor_analog_readings[i] < THRESHOLDS[i]){
      Serial.print("1 ");
      digitalWrite(i+2,HIGH);
    }
    else {
      Serial.print("0 ");
      digitalWrite(i+2,LOW);
    }
  }
  Serial.print("\n");
  
  //wait a 30 miliseconds
