code: def test_custom_graph5_different_labels(self):
      G1 = nx.Graph()
      edges1 = [
          (1, 5),
          (1, 2),
          (1, 4),
          (2, 3),
          (2, 6),
          (3, 4),
          (3, 7),
          (4, 8),
          (5, 8),
          (5, 6),
          (6, 7),
          (7, 8),
      ]
      mapped = {
          1: "a",
          2: "h",
          3: "d",
          4: "i",
          5: "g",
          6: "b",
          7: "j",
          8: "c",
      }
  
      G1.add_edges_from(edges1)
      G2 = nx.relabel_nodes(G1, mapped)
  
      colors = [
          "red",
          "blue",
          "grey",
          "none",
          "brown",
          "solarized",
          "yellow",
          "pink",
      ]
      nx.set_node_attributes(
          G1, dict(zip(G1, it.cycle(labels_many))), "label"
      )
      nx.set_node_attributes(
          G2,
          dict(zip([mapped[n] for n in G1], it.cycle(labels_many))),
          "label",
      )
      assert vf2pp_isomorphism(G1, G2, node_label="label") == mapped
  
      # Assign different colors to matching nodes
      c = 0
      for node in G1.nodes():
          color1 = colors[c]
          color2 = colors[(c + 3) % len(colors)]
          G1.nodes[node]["label"] = color1
          G2.nodes[mapped[node]]["label"] = color2
          c += 1
  
      assert vf2pp_isomorphism(G1, G2, node_label="label") is None
  
      # Get symmetrical sub-graphs of G1,G2 and compare them
      H1 = G1.subgraph([1, 5])
      H2 = G2.subgraph(["i", "c"])
      c = 0
      for node1, node2 in zip(H1.nodes(), H2.nodes()):
          H1.nodes[node1]["label"] = "red"
          H2.nodes[node2]["label"] = "red"
          c += 1
  
      assert vf2pp_isomorphism(H1, H2, node_label="label")
  
imports: import itertools
  import pytest
  import networkx
  from networkx import vf2pp_is_isomorphic, vf2pp_isomorphism
label_desc: Use image node_id 10 for calling the TestGraphISOVF2pp obj's underlying member method code with example usage: obj.test_custom_graph5_different_labels() without return types