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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 _clone_node(self, node):
 """Return new node based on an existing one. This is normally for when a node dies, this will copy the spec of the existing node and create a new one with a new id. The new node will have been setup so it will start calling the "worker_*" hooks and do work soon. """

        spec = node.gateway.spec
        spec.id = None
        self.nodemanager.group.allocate_id(spec)
        node = self.nodemanager.setup_node(spec, self.queue.put)
        self._active_nodes.add(node)
        return node