Node.JS Express Hello World

## gistfile1.js
var express = require('express');
var app = express();

app.get('/', function(req, res){
  res.send('hello world');
});

app.listen(3000);
	var express = require('express');
	var app = express();

	app.get('/', function(req, res){
	res.send('hello world');
	});

	app.listen(3000);