code: def test_set_edge_attributes(graph_type):
      # Test single value
      G = nx.path_graph(3, create_using=graph_type)
      attr = "hello"
      vals = 3
      nx.set_edge_attributes(G, vals, attr)
      assert G[0][1][attr] == vals
      assert G[1][2][attr] == vals
  
      # Test multiple values
      G = nx.path_graph(3, create_using=graph_type)
      attr = "hi"
      edges = [(0, 1), (1, 2)]
      vals = dict(zip(edges, range(len(edges))))
      nx.set_edge_attributes(G, vals, attr)
      assert G[0][1][attr] == 0
      assert G[1][2][attr] == 1
  
      # Test dictionary of dictionaries
      G = nx.path_graph(3, create_using=graph_type)
      d = {"hi": 0, "hello": 200}
      edges = [(0, 1)]
      vals = dict.fromkeys(edges, d)
      nx.set_edge_attributes(G, vals)
      assert G[0][1]["hi"] == 0
      assert G[0][1]["hello"] == 200
      assert G[1][2] == {}
  
imports: import random
  import pytest
  import networkx
  from networkx.utils import edges_equal, nodes_equal
label_desc: Use image node_id 3 for calling a global function with example usage: test_set_edge_attributes(graph_type) without return types