def create(cls, vertices = Vertices()):
edges = Edges.create(vertices)
return Graph(vertices, edges)
def complement(self):
all_edges = Edges.create(self.vertices)
return Graph(self.vertices, all_edges - self.edges)
def create(cls, vertices = Vertices()):
edges = Edges.create(vertices)
return Graph(vertices, edges)
def complement(self):
all_edges = Edges.create(self.vertices)
return Graph(self.vertices, all_edges - self.edges)