function monthPrinter(num) {
    let month = '';
    switch (num) {
        case 1: month = 'January'; break;
        case 2: month = 'February'; break;
        case 3: month = 'March'; break;
        case 4: month = 'April'; break;
        case 5: month = 'May'; break;
        case 6: month = 'June'; break;
        case 7: month = 'July'; break;
        case 8: month = 'August'; break;
        case 9: month = 'September'; break;
        case 10: month = 'October'; break;
        case 11: month = 'November'; break;
        case 12: month = 'December'; break;
        default: month = 'Error!'; break;
    }
    console.log(month);
}