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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 _get_remote_node_url(self, remote_node):
 """Get grid-extras url of a node :param remote_node: remote node name :returns: grid-extras url """

        logging.getLogger("requests").setLevel(logging.WARNING)
        gridextras_port = 3000
        return 'http://{}:{}'.format(remote_node, gridextras_port)