text: 'use strict'
  
  const http = require('http'),
        port = 3000,
        hostName = '127.0.0.1'
  
  const server = http.createServer((req,res) => {
      res.statusCode = 200;
      res.setHeader('Content-Type', 'text/plain');
      res.end('Hello World\n');
  })
  
  server.listen(port,hostName,() => {
      console.log(`Server runing at http://${hostName}:${port}`)
  })