def determinisation(auto):
        alphabet = set()
        matrice  = []
        for s in auto.getListStates():
            for t in auto.getListTransitionsFrom(s):
                alphabet.add(t.etiquette)
        print(alphabet)
        for s in auto.getListStates():
            tr = []
            tr.append(s)
            for l in alphabet:
                le = []
                for t in auto.getListTransitionsFrom(s):
                    if t.etiquette == l:
                        le.append(t.stateDest)
                tr.append(le)
            matrice.append(tr)
        return matrice