class_docstr: Filter class to show specific nodes.
class_docstr_tok: ["Filter","class","to","show","specific","nodes","."]
code: def __call__(self, node):
      return node in self.nodes
  
file_path: networkx/networkx/classes/filters.py
label_desc: Use image node_id 2 for calling the show_nodes obj's underlying member method code with example usage: obj.__call__(node) and returns: unknown