Substituting a Photoresistor for a Potentiometer

/*
 *  Jung Min Yean
 *  03/28/19
 *  Learning How to Use a Photoresistor
 */

 const int LedPin1 = 9;
 const int LedPin2 = 10;
 const int LedPin3 = 11;
 const int PhotoPin = A0;
 const int PotPin = A1;
 int PotVal = 0;
 int PhotoVal = 0;

void setup()
{
 pinMode(LedPin1, OUTPUT);
 pinMode(LedPin2, OUTPUT);
 pinMode(LedPin3, OUTPUT);
 pinMode(PotPin, INPUT);
 pinMode(PhotoPin, INPUT);
 Serial.begin(9600);
}

void loop()
{
  // test potentiometer
  PotVal = analogRead(PotPin);
  PhotoVal = analogRead(PhotoPin);
  Serial.println(PhotoVal);
  // Serial.print("      ");
  // int MapValue = map(PotVal,0,1023,255,0);
  // Serial.println(MapValue);
  // analogWrite(LedPin1, PotVal);
  // analogWrite(LedPin2, PotVal);
  // analogWrite(LedPin3, PotVal);
}