Second Program: LED With Button Variation 2

/*
 * Atiriya Iyer
 * Veriation 2
 * Learning Digital Inputs
 */
const int pinLED = 7;
const int pinButton = 2;
int readValue = 0;
boolean lightOn = 0;
void setup() {
  // put your setup code here, to run once:
  pinMode (pinButton, INPUT);
  pinMode (pinLED, OUTPUT);

  Serial.begin(9600);

  digitalWrite(pinLED, HIGH);
  delay(50);
  digitalWrite(pinLED, LOW);

 }

void loop() {
  // put your main code here, to run repeatedly:
  readValue= digitalRead(pinButton);

  if(readValue==1)
  {
   lightOn= !lightOn;
   digitalWrite(pinLED, lightOn);
  }

}