code: def set_node_attributes(self):
          
  
          species = {}
          coords = {}
          properties = {}
          for node in self.graph.nodes():
              species[node] = self.molecule[node].specie.symbol
              coords[node] = self.molecule[node].coords
              properties[node] = self.molecule[node].properties
  
          nx.set_node_attributes(self.graph, species, "specie")
          nx.set_node_attributes(self.graph, coords, "coords")
          nx.set_node_attributes(self.graph, properties, "properties")
docs: Replicates molecule site properties (specie, coords, etc.) in the
          MoleculeGraph.
  
          :return: