Reference no: EM132278030

Remember the good old days when we played Pokemon Go? Complete the implementation of a Pokemon ADT below by filling out _add_pokemon, _evolve, and _evolve_all.

def make_gym(a, b, c, d):
    """Returns a pokemon gym (represented by list) of the four pokemons a, b, c, d."""
    return [a, b, c, d]

def gym_size(gym):
    """Returns the size of the gym."""
    return len(gym)

def make_pokemon_set():
    """Returns a dictionary of pokemon methods.

    >>> my_pokemons = make_pokemon_set()
    >>> my_pokemons["add"]("pikachu", "raichu")
    >>> my_pokemons["evolve"]("charmander")
    'charizard'
    >>> my_pokemons["evolve"]("celebi")
    'celebi'
    >>> my_gym = make_gym("charmander", "celebi", "pikachu", "rattata")
    >>> my_pokemons["evolve_all"](my_gym)
    >>> my_gym
    ['charizard', 'celebi', 'raichu', 'raticate']

    """

    pokemons = {"charmander":"charmeleon",
            "charmeleon":"charizard",
            "squirtle":"wartortle",
            "wartortle":"blastoise",
            "rattata":"raticate",
            "sandshrew":"sandslash"}

    def add(pokemon, evolution):
        _add_pokemon(pokemons, pokemon, evolution)

    def evolve(pokemon):
        return _evolve(pokemons, pokemon)

    def evolve_all(gym):
        _evolve_all(pokemons, gym)

    return {"add":add, "evolve":evolve, "evolve_all":evolve_all}

def _add_pokemon(pokemon_set, pokemon, evolution):
    """Takes in a pokemon and the form it evolves to and adds it to the pokemon
    dictionary set. 
    """
    "*** YOUR CODE HERE ***"
    

def _evolve(pokemon_set, pokemon):
    """Takes in a pokemon and returns its final evolved form. Use the pokemon_set to check for 
    what the pokemon should evolve to. If the pokemon is not in the pokemon set, keeps its 
    status as is. 

    """
    "*** YOUR CODE HERE ***"
    

def _evolve_all(pokemon_set, gym):
    """Takes in a gym and evolve all the pokemons in the gym. You should be modifying the gym,
    not returning a new gym. Use the evolve function you've defined above!

    """
    "*** YOUR CODE HERE ***"