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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_events( self, obj_id, search='', include_events=None, exclude_events=None, order_by='', order_by_dir='ASC', page=1 ):
 """ Get a list of a contact's engagement events :param obj_id: int Contact ID :param search: str :param include_events: list|tuple :param exclude_events: list|tuple :param order_by: str :param order_by_dir: str :param page: int :return: dict|str """

        if include_events is None:
            include_events = []
        if exclude_events is None:
            exclude_events = []

        parameters = {
            'search': search,
            'includeEvents': include_events,
            'excludeEvents': exclude_events,
            'orderBy': order_by,
            'orderByDir': order_by_dir,
            'page': page
        }
        response = self._client.session.get(
            '{url}/{id}/events'.format(
                url=self.endpoint_url, id=obj_id
            ),
            params=parameters
        )
        return self.process_response(response)