def DrawGraph(B):
	l, r = nx.bipartite.sets(B)
	pos = {}
	# Update position for node from each group
	pos.update((node, (1, index)) for index, node in enumerate(l))
	pos.update((node, (2, index)) for index, node in enumerate(r))
	nx.draw(B, pos, with_labels = True)  #with_labels=true is to show the node number in the output graph
	edge_labels = dict([((u, v), d['length']) for u, v, d in B.edges(data = True)])
	nx.draw_networkx_edge_labels(B, pos, edge_labels = edge_labels, label_pos = 0.2, font_size = 11) #prints weight on all the edges
	return pos



#main function
if __name__ == "__main__":
	B, cost = CreateGraph();
	pos = DrawGraph(B)
	hungarian(B, pos, cost)
	plt.show()