#!/usr/bin/env python
# -*- coding: utf-8 -*-

from lemon import *
from random import randint

g = ListDigraph()

u = g.addNode()

v = g.addNode()

a = g.addArc(u, v)

print "Hello World! This is LEMON library here."
print "We have a directed graph with " + str(g.countNodes()) + " nodes and " + str(g.countArcs()) + " arc."