(function(){
function media(){
console.log(arguments)
var result = 0;
for(var i = 0; i < arguments.length; i++){
// console.log(typeof(arguments[i]));
// console.log(arguments[i]);
result += arguments[i];
}
// console.log(result)
// console.log('result: ', result / (i));
return result / i;
}
var media1 = media(4, 0, 10, 10);
var media2 = media (2, 3);
console.log('A media1 é: ', media1);
console.log('A media2 é: ', media2);
})();