// 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';