code: def test_is_semieulerian(self):
      # Test graphs with Eulerian paths but no cycles return True.
      assert nx.is_semieulerian(nx.path_graph(4))
      G = nx.path_graph(6, create_using=nx.DiGraph)
      assert nx.is_semieulerian(G)
  
      # Test graphs with Eulerian cycles return False.
      assert not nx.is_semieulerian(nx.complete_graph(5))
      assert not nx.is_semieulerian(nx.complete_graph(7))
      assert not nx.is_semieulerian(nx.hypercube_graph(4))
      assert not nx.is_semieulerian(nx.hypercube_graph(6))
  
imports: import collections
  import pytest
  import networkx
label_desc: Use image node_id 1 for calling the TestIsSemiEulerian obj's underlying member method code with example usage: obj.test_is_semieulerian() without return types