def main(script, n='20', graphs='10',probs='0.2'):
# create n Vertices
n = int(n)
graphs = int(graphs)
probs = float(probs)
labels = string.ascii_lowercase + string.ascii_uppercase + string.digits
vs = [Vertex(c) for c in labels[:n]]
# create a graph and a layout
g = RandomGraph(vs)
#g.add_all_edges()
g.regular_edges_handshake(4)
print g.is_connected()
layout = CircleLayout(g)
# draw the graph
gw = GraphWorld()
gw.show_graph(g, layout)
gw.mainloop()
