def main():
g = Graph()
g = g.from_file('./graph.txt')
# # Resolvemos primer grupo de preguntas 1-5
print "The distance of the route A-B-C", distance(g, "A", "B", "C")
print "The distance of the route A-D", distance(g, "A", "D")
print "The distance of the route A-D-C", distance(g, "A", "D", "C")
print "The distance of the route A-E-B-C-D", distance(
g, "A", "E", "B", "C", "D")
print "The distance of the route A-E-D", distance(g, "A", "E", "D")
print
# # Respondemos preguntas 8 y 9
print "The length of the shortest route from A to C.", dist_to(g, "A", "C")
print "The length of the shortest route from B to B.", dist_to(g, "B", "B")
print "The length of the shortest route from E to A.", dist_to(g, "E", "A")
print
