// Declaring different variables of different data types

let firstName = "Asabeneh"; // first name of a person
let lastName = "Yetayeh"; // last name of a person
let country = "Finland"; // country
let city = "Helsinki"; // capital city
let age = 100; // age in years
let isMarried = true;

// Declaring variables with number values

const gravity = 9.81; // earth gravity  in m/s2
const boilingPoint = 100; // water boiling point, temperature in oC
const PI = 3.14; // geometrical constant

// Variables can also be declaring in one line separated by comma

let name = "Asabeneh", //name of a person
  job = "teacher",
  live = "Finland";

let studentName = "Mujeeb ur Rahman",
  studentJob = "software learner",
  studentLive = "Pakistan";