>>> from canvi_climatic import tracta_linia

>>> tracta_linia('olot;verd;vermell;verd;verd\n')
('olot', 3, 1)
>>> tracta_linia('figueres;vermell;vermell;vermell;vermell\n')
('figueres', 0, 4)
>>> tracta_linia('molins de rei;vermell;verd;groc;gris\n')
('molins de rei', 1, 1)