<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _handle_received_k_element(self, k_element: BeautifulSoup):
 """ The 'k' element appears to be kik's connection-related stanza. It lets us know if a connection or a login was successful or not. :param k_element: The XML element we just received from kik. """

        if k_element['ok'] == "1":
            self.connected = True

            if 'ts' in k_element.attrs:
                # authenticated!
                log.info("[+] Authenticated successfully.")
                self.authenticated = True
                self.callback.on_authenticated()
            elif self.should_login_on_connection:
                self.login(self.username, self.password)
                self.should_login_on_connection = False
        else:
            self.callback.on_connection_failed(login.ConnectionFailedResponse(k_element))