Code for LED with Pushbutton in Arduino

LED_with_Pushbutton_in_Arduino.ino

const int buttonPin = 6;     //Number of Pushbutton Pin
const int ledPin =  13;      //Number of LED Pin

int buttonState = 0;         //Variable of Pushbutton Status

void setup() {
  //Initialize LED Pin
  pinMode(ledPin, OUTPUT);
  //Initialize Pushbutton Pin
  pinMode(buttonPin, INPUT);
}

void loop() {
  //Read the Pushbutton state and Turn On or Off LED corresponding the state
  if (digitalRead(buttonPin) == HIGH) {
    //Turn LED on:
    digitalWrite(ledPin, HIGH);
  } else {
    //Turn LED off:
    digitalWrite(ledPin, LOW);
  }
}