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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 remove_workspace(self):
 """ Pose a dialog to confirm removal then remove workspace. """


        def confirm_clicked():
            if len(self.document_model.workspaces) > 1:
                command = Workspace.RemoveWorkspaceCommand(self)
                command.perform()
                self.document_controller.push_undo_command(command)

        caption = _("Remove workspace named '{0}'?").format(self.__workspace.name)
        self.pose_confirmation_message_box(caption, confirm_clicked, accepted_text=_("Remove Workspace"),
                                           message_box_id="remove_workspace")