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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 serialize(obj, **options):
    '''
    Serialize Python data to a configparser formatted string or file.

    :param obj: the data structure to serialize
    :param options: options given to lower configparser module.
    '''

    try:
        if not isinstance(obj, dict):
            raise TypeError("configparser can only serialize dictionaries, not {0}".format(type(obj)))
        fp = options.pop('fp', None)
        if six.PY3:
            cp = configparser.ConfigParser(**options)
        else:
            cp = configparser.SafeConfigParser(**options)
        _read_dict(cp, obj)

        if fp:
            return cp.write(fp)
        else:
            s = six.moves.StringIO()
            cp.write(s)
            return s.getvalue()
    except Exception as error:
        raise SerializationError(error)