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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_host_only_network_interface(self):
 """Creates a new adapter for Host Only Networking. out host_interface of type :class:`IHostNetworkInterface` Created host interface object. return progress of type :class:`IProgress` Progress object to track the operation completion. raises :class:`OleErrorInvalidarg` Host network interface @a name already exists. """

        (progress, host_interface) = self._call("createHostOnlyNetworkInterface")
        progress = IProgress(progress)
        host_interface = IHostNetworkInterface(host_interface)
        return (progress, host_interface)