code: def is_node_highlighted(graph: BELGraph, node: BaseEntity) -> bool:
      
      return NODE_HIGHLIGHT in graph.node[node]
docs: Returns if the given node is highlighted.
  
      :param graph: A BEL graph
      :param node: A BEL node
      :type node: tuple
      :return: Does the node contain highlight information?
      :rtype: bool