code: def test_direct_product_n():
      C = CyclicGroup(4)
      D = DihedralGroup(4)
      G = DirectProduct(C, C, C)
      assert G.order() == 64
      assert G.degree == 12
      assert len(G.orbits()) == 3
      assert G.is_abelian is True
      H = DirectProduct(D, C)
      assert H.order() == 32
      assert H.is_abelian is False
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_direct_product_n() without return types