console.log("Hello World! \nhiii");

console.log("Hii");

console.log("hii", "Hello", "hey");

//keywords(var,let,const)

//var

var firstname; //declaration

console.log(firstname);

var firstname="Arun"; //assigement

console.log(firstname);

//let

// let firstname; //declaration

// console.log(firstname);

// let firstname="Arun"; //assigement

// console.log(firstname);

// let firstname="Arun"; //declaration and assigement

// var a;

// var a; //redeclaration allowed

// let a;

// let a; //redeclaration not allowed

//const

const a =2;

console.log(a); //declaration and assigement both are compuslary in single statement

//upating and redeclaration both are not allowed

var b = "abc";

c="c";

d=123;

e=true; //loosely typed language

var first$name="Arun";

let firstr_name="Arun";

const $first="Arun";

let first$="Arun" // start inbetween end are allowed

// let ab3;

// let a3b;

// let 3ab; // inbetween end are allowed start are not allowed

// industryConvention

//single line comment

/*multi

line

comment*/