>>> import networkx as nx

--ini-enunciat

>>> from metro3 import assignar_temps
>>> from crea import crea_graf
>>> g = crea_graf()  # Crea el graf de l'exemple

>>> assignar_temps(g, 'L1', 150)
>>> l1 = ['Port', 'Centre', 'Galeries', 'Parc', 'Placeta', 'Muntanya']
>>> for i in range(len(l1)-1):
...     a, b = l1[i], l1[i+1]
...     print(a, b, g[a][b])
Port Centre {'linia': 'L1', 'temps': 150}
Centre Galeries {'linia': 'L1', 'temps': 150}
Galeries Parc {'linia': 'L1', 'temps': 150}
Parc Placeta {'linia': 'L1', 'temps': 150}
Placeta Muntanya {'linia': 'L1', 'temps': 150}

--fi-enunciat

>>> assignar_temps(g, 'L2', 95)
>>> l6 = ['Zoo', 'Galeries', 'Mercat', 'Raval', 'Quinta Forca']
>>> nx.add_path(g, l6, linia='L6', temps=1234)
>>> assignar_temps(g, 'L6', 22)
>>> from itertools import pairwise
>>> for a, b in pairwise(['Port', 'Ajuntament', 'Mercat', 'Universitat']):
...     print(a, b, g[a][b])
Port Ajuntament {'linia': 'L2', 'temps': 95}
Ajuntament Mercat {'linia': 'L2', 'temps': 95}
Mercat Universitat {'linia': 'L2', 'temps': 95}
>>> for a, b, t in nx.subgraph(g, l6).edges(data='temps'):
...   print(t)
22
22
22
22