//***************************
//sayhello.js
var sayhello1 = function() {  };
var sayhello2 = function() {  };
exports.sayhello1 = sayhello1;
exports.sayhello2 = sayhello2;

//index.js
var x = require('./sayhello.js');
x.sayhello1();

//***************************
//sayhello.js
function sayhello3() {  };
function sayhello4() {  };
exports.sayhello3 = myFunc3;
exports.sayhello4 = myFunc4;

//index.js
var y = require('./sayhello.js');
y.sayhello3();

//***************************
//sayhello.js
module.exports = exports = function() {
    console.log("Hello!");
};

//index.js
var sayHello = require('./sayhello.js');
sayHello(); // "Hello World!"

//***************************
//sayhello.js
exports.run = function() {
    console.log("Hello guys!");
}

//index.js
var sayHello = require('./sayhello');
sayHello.run(); // "Hello World!"

//***************************
//sayhello.js
module.exports = {
  sayHelloInEnglish: function() {
    return "Hello";
  },

  sayHelloInSpanish: function() {
    return "Hola";
  }
};

//index.js
var sayHello = require('./sayhello');
sayHello.sayHelloInEnglish();

//***************************
//sayhello.js
module.exports = {
  Hello: 'Hi!'
}

//index.js
var sayHello = require('./sayhello');
sayHello.Hello;

//***************************
//sayhello.js
var sayHello = {
    'sayHello1':'Hi!',
    'sayHello2':'Hello'
}
function sayHi(){
    console.log('Hi!!');
    return 'Hello'
}
exports.sayHello = requires;
exports.sayHi = sayHi;

//index.js
var x = require("./sayhello").sayHello.sayHello1;
var y = require("./sayhello").sayHi;
console.log(x)//Hi!
console.log(y)//function sayHi(){
                 //console.log('Hi!!');
                 //return 'Hello'
               //}
console.log(y())//Hi!!
                //Hello