print(graph.vertex_degree(node))
print("List of isolated vertices:")
print(graph.find_isolated_vertices())
print("""A path from "a" to "e":""")
print(graph.find_path("a", "e"))
print("""All pathes from "a" to "e":""")
print(graph.find_all_paths("a", "e"))
print("The maximum degree of the graph is:")
print(graph.Delta())
print("The minimum degree of the graph is:")
print(graph.delta())
print("Edges:")
print(graph.edges())
print("Degree Sequence: ")
ds = graph.degree_sequence()
print(ds)
fullfilling = [[2, 2, 2, 2, 1, 1], [3, 3, 3, 3, 3, 3], [3, 3, 2, 1, 1]]
non_fullfilling = [[4, 3, 2, 2, 2, 1, 1], [6, 6, 5, 4, 4, 2, 1], [3, 3, 3, 1]]
for sequence in fullfilling + non_fullfilling:
print(sequence, Graph.erdoes_gallai(sequence))
print("Add vertex 'z':")
