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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 prepare_for_authenticate( self, entityid=None, relay_state="", binding=saml2.BINDING_HTTP_REDIRECT, vorg="", nameid_format=None, scoping=None, consent=None, extensions=None, sign=None, response_binding=saml2.BINDING_HTTP_POST, **kwargs):
 """ Makes all necessary preparations for an authentication request. :param entityid: The entity ID of the IdP to send the request to :param relay_state: To where the user should be returned after successfull log in. :param binding: Which binding to use for sending the request :param vorg: The entity_id of the virtual organization I'm a member of :param nameid_format: :param scoping: For which IdPs this query are aimed. :param consent: Whether the principal have given her consent :param extensions: Possible extensions :param sign: Whether the request should be signed or not. :param response_binding: Which binding to use for receiving the response :param kwargs: Extra key word arguments :return: session id and AuthnRequest info """


        reqid, negotiated_binding, info = \
            self.prepare_for_negotiated_authenticate(
                entityid=entityid,
                relay_state=relay_state,
                binding=binding,
                vorg=vorg,
                nameid_format=nameid_format,
                scoping=scoping,
                consent=consent,
                extensions=extensions,
                sign=sign,
                response_binding=response_binding,
                **kwargs)

        assert negotiated_binding == binding

        return reqid, info