code: def get_index_labels(self, targets):
          
          target_ind = self.graph.vs.select(name_in=targets).indices
          rest_ind = self.graph.vs.select(name_notin=targets).indices
          label_mappings = {i: 1 for i in target_ind}
          label_mappings.update({i: 0 for i in rest_ind})
          return label_mappings
docs: Get the labels(known target/not) mapped to indices.
  
          :param targets: List of known targets
          :return: Dictionary of index-label mappings