def six_1():
	#process input and returns graph dictionary
	G = ip.process_input()

	for n in G:
		for m in G[n]:
			G[n][m]['max'] = 1
			G[n][m]['min'] = 0
	
	#Call to Ford Fulkerson algorithm 
	t0 = datetime.datetime.now()
	resultGraph = FF1.assign_task_workers(G)
	t1 = datetime.datetime.now()

	ft.write('\n 6.1 FF : ' + str((t1-t0).microseconds)+ ' ms')