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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 login(self, user_id, password):
 """Authenticate to ownCloud. This will create a session on the server. :param user_id: user id :param password: password :raises: HTTPResponseError in case an HTTP error status was returned """


        self._session = requests.session()
        self._session.verify = self._verify_certs
        self._session.auth = (user_id, password)

        try:
            self._update_capabilities()

            url_components = parse.urlparse(self.url)
            if self._dav_endpoint_version == 1:
                self._davpath = url_components.path + 'remote.php/dav/files/' + parse.quote(user_id)
                self._webdav_url = self.url + 'remote.php/dav/files/' + parse.quote(user_id)
            else:
                self._davpath = url_components.path + 'remote.php/webdav'
                self._webdav_url = self.url + 'remote.php/webdav'

        except HTTPResponseError as e:
            self._session.close()
            self._session = None
            raise e