def descomentaritza (nomf1, nomf2):
    with open (nomf1, 'r') as f1, open(nomf2, 'w') as f2:
        for linia in f1:
            pos = linia.find('#')
            if pos == -1:
                f2.write(linia)
            elif pos == 0:
                pass
            else:
                f2.write(linia[:pos] + '\n')