def add_stats(self, a, b):
    '\n       Add two stats dict that are returned by the process function.\n       This is used for multiple files\n       :param a: stats dict\n       :param b: stats dict\n       :return: stats dict\n       '
    stats = {}
    stats['skipped_because_min_length'] = (a['skipped_because_min_length'] + b['skipped_because_min_length'])
    stats['skipped_alpha_count'] = (a['skipped_alpha_count'] + b['skipped_alpha_count'])
    stats['skipped_because_max_numeric'] = (a['skipped_because_max_numeric'] + b['skipped_because_max_numeric'])
    stats['skipped_because_max_non_ascii'] = (a['skipped_because_max_non_ascii'] + b['skipped_because_max_non_ascii'])
    stats['skipped_because_forbidden_chars'] = (a['skipped_because_forbidden_chars'] + b['skipped_because_forbidden_chars'])
    stats['total_original_length'] = (a['total_original_length'] + b['total_original_length'])
    stats['total_clean_length'] = (a['total_clean_length'] + b['total_clean_length'])
    return stats
Add two stats dict that are returned by the process function.
This is used for multiple files
:param a: stats dict
:param b: stats dict
:return: stats dict
def add_stats(self, a, b):
    '\n       Add two stats dict that are returned by the process function.\n       This is used for multiple files\n       :param a: stats dict\n       :param b: stats dict\n       :return: stats dict\n       '
    stats = {}
    stats['skipped_because_min_length'] = (a['skipped_because_min_length'] + b['skipped_because_min_length'])
    stats['skipped_alpha_count'] = (a['skipped_alpha_count'] + b['skipped_alpha_count'])
    stats['skipped_because_max_numeric'] = (a['skipped_because_max_numeric'] + b['skipped_because_max_numeric'])
    stats['skipped_because_max_non_ascii'] = (a['skipped_because_max_non_ascii'] + b['skipped_because_max_non_ascii'])
    stats['skipped_because_forbidden_chars'] = (a['skipped_because_forbidden_chars'] + b['skipped_because_forbidden_chars'])
    stats['total_original_length'] = (a['total_original_length'] + b['total_original_length'])
    stats['total_clean_length'] = (a['total_clean_length'] + b['total_clean_length'])
    return stats