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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_member_file_data(member_data, id_filename=False):
 """ Helper function to get file data of member of a project. :param member_data: This field is data related to member in a project. """

        file_data = {}
        for datafile in member_data['data']:
            if id_filename:
                basename = '{}.{}'.format(datafile['id'], datafile['basename'])
            else:
                basename = datafile['basename']
            if (basename not in file_data or
                    arrow.get(datafile['created']) >
                    arrow.get(file_data[basename]['created'])):
                file_data[basename] = datafile
        return file_data