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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 ssh_gss_oids(self, mode="client"):
 """ This method returns a single OID, because we only support the Kerberos V5 mechanism. :param str mode: Client for client mode and server for server mode :return: A byte sequence containing the number of supported OIDs, the length of the OID and the actual OID encoded with DER :note: In server mode we just return the OID length and the DER encoded OID. """

        from pyasn1.type.univ import ObjectIdentifier
        from pyasn1.codec.der import encoder

        OIDs = self._make_uint32(1)
        krb5_OID = encoder.encode(ObjectIdentifier(self._krb5_mech))
        OID_len = self._make_uint32(len(krb5_OID))
        if mode == "server":
            return OID_len + krb5_OID
        return OIDs + OID_len + krb5_OID