text: //Creating first node.js app
  //1. Import required module
  let http=require("http");
  let port=8081;
  //2 Create Server using the http instance
  //With the listen port
  http.createServer((request,response)=>{
      //Send http header
      // With: http status: '200' and content type: 'Content-type:'text/plain''
      response.writeHead(200,{"Content-Type":"text/plain"});
      //Send the response body
      response.end("Hello World");
  }).listen(port);
  console.log(`Running on port: 127.0.0.1:${port}`);
  
  //Node consoles
  //1. console.log() - Displays simple message on console. e.g console.log("Hello there");
  //2. console.error() - Renders error message to console. e.g console.error(new Error("An error"));
  //3. console.warn() - Displays warning messages on console. e.g console.warn("Are you coming?");
  
  //REPL
  //Specifies a computer environment where you can enter commands and the system responds with an output in interactive mode
  // 1. Read - Reads user input.
  // 2. Eval - Evaluates data structure.
  // 3. Print - Prints the results.
  // 4. Loop - Loops above command untill user presses ctrl+c twice.
  // Starting a REPL
  //    Write on cli: 'node'