text: from GraphController import GraphController
  
  graph = GraphController()
  graph.add_node('jeden')
  graph.add_node('dwa')
  graph.add_node('trzy')
  graph.add_node('cztery')
  
  graph.add_edge("jeden", "dwa", 2)
  graph.add_edge("dwa", "trzy", 5)
  graph.add_edge("cztery", "jeden", 5)
  graph.add_edge("jeden", "dwa", 3)
  graph.add_edge("jeden", "cztery", 3)
  
  print(graph.bfs('jeden'))
  print(graph.dfs('jeden'))
  graph.print_graph()
  
  
  