{"conversations": [{"from": "user", "value": "Hola, si us plau, sigueu conscients de tots els algoritmes associats amb l'arbre de la segona forquilla."}, {"from": "assistant", "value": "Quina llengua vols utilitzar per fer que passi?"}, {"from": "user", "value": "Vull utilitzar Python per a algorismes DFS."}, {"from": "assistant", "value": "Primer, definim una categoria de dos punts d' arbre, i despr\u00e9s arribem a la profunditat de la pre-, meitat- i post- revers (DFS): una classe < <Node: defineixte_(, valor): si mateix. Self. valor = valor. Si mateix. D' esquerra = Ning\u00fa. right = None. #pretreft: veryreit: si no \u00e9s node: < path > < < < < < < < > > < resrr > < resrr >... > < path > < < path > >... > < < path >... > < < path > >... > < < < path > > > >... > < < < path > > > > > < < < < < path > > > > > > > < < <rr > > > >... > < < <. >... > < < <rr >... > > < < <rr > > > > < < < < path > > >... > > > > < < < path >... >... >... >... >... >... > < < < < < < <rrrr > > > < < <. > >... >... > < < <. >... >... >... >... > < <rr > > < < < < < < < < < >... >... >... >... >... >... >... >... >... >... >... >... > <rrrrrrrrrrrr > > > < < < < < < < < < < > > >... >... > > > > > >... > > < < < > >... >... >... >... >... >... >... > <rr > <, > < < <, >... > <. > < < > < >... >... >... >... >... >... >... >... >... > < > < < <rrrrrrrr > < > < < < < < < < > < < < > > > > > > < < < <rr >... >... >... >... >... >... > <rrrrrrrrrrrrrrrrrr > < < < < < < < < < < < > > > > > < < < < < < < < < < > > > > >... >... >... >... >... >... > < < > < < < < < < < < < < <"}]}