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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 create(self, unique_name=values.unset, friendly_name=values.unset, identity=values.unset, deployment_sid=values.unset, enabled=values.unset):
 """ Create a new DeviceInstance :param unicode unique_name: A unique, addressable name of this Device. :param unicode friendly_name: A human readable description for this Device. :param unicode identity: An identifier of the Device user. :param unicode deployment_sid: The unique SID of the Deployment group. :param bool enabled: The enabled :returns: Newly created DeviceInstance :rtype: twilio.rest.preview.deployed_devices.fleet.device.DeviceInstance """

        data = values.of({
            'UniqueName': unique_name,
            'FriendlyName': friendly_name,
            'Identity': identity,
            'DeploymentSid': deployment_sid,
            'Enabled': enabled,
        })

        payload = self._version.create(
            'POST',
            self._uri,
            data=data,
        )

        return DeviceInstance(self._version, payload, fleet_sid=self._solution['fleet_sid'], )