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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 close(self):
 """ Close the node process. """


        if self._closed:
            return False

        log.info("{module}: '{name}' [{id}]: is closing".format(module=self.manager.module_name,
                                                                name=self.name,
                                                                id=self.id))

        if self._console:
            self._manager.port_manager.release_tcp_port(self._console, self._project)
            self._console = None
        if self._wrap_console:
            self._manager.port_manager.release_tcp_port(self._internal_console_port, self._project)
            self._internal_console_port = None

        if self._aux:
            self._manager.port_manager.release_tcp_port(self._aux, self._project)
            self._aux = None

        self._closed = True
        return True