from datetime import datetime


def name_files(use_case):
    """
    Name Files
    Naming the files with date stamp.
    :return: Names for version, train and test files
    """
    todays_date = datetime.today().strftime('%y%m%d%H%M%S')
    train_name = 'train_' + use_case + '_' + todays_date + '.csv'
    test_name = 'test_' + use_case + '_' + todays_date + '.csv'
    return train_name, test_name