/**
 * 모듈 만들기
 */
var fortunes = [
    "Conquer your fears or they will conquer you.",
    "Rivers need springs.",
    "Do not fear what you don't know.",
    "You will have a pleasant surprise.",
    "Whenever possible, keep it simple.",
];
//전역변수 추가. 모듈 밖에서도 사용할 수 있게.
exports.getFortune = function() {
    var idx = Math.floor(Math.random() * fortunes.length);
    return fortunes[idx];
}