import networkx as nx

def assignar_temps(g, noml, segons):
    for a, b in g.edges:
        if g[a][b]['linia'] == noml:
            g[a][b]['temps'] = segons

def parada_mes_llunyana(g, x):
    dictd = nx.shortest_path_length(g, x, weight='temps')
    nodemax = max(dictd, key=lambda n: dictd[n])
    tmax = dictd[nodemax]
    return nodemax, tmax