const getTheTitles = function(array) {
    // let titles = [];
    // for (i=0;i<array.length;i++) {
    //     titles[i] = array[i].title;
    // }
    // return titles;
    return array.map(book => {
        return book.title;
    });
};

// Do not edit below this line
module.exports = getTheTitles;