HEROES = [
    { "id": 1, "name": "Wolfgang" },
    { "id": 2, "name": "Andreas" },
    { "id": 3, "name": "Frank" },
    { "id": 4, "name": "Thomas" },
    { "id": 5, "name": "Barbara" },
    { "id": 6, "name": "Robert" },
    { "id": 7, "name": "Raphael" },
    { "id": 8, "name": "Lucia" },
    { "id": 9, "name": "Gregor" },
]


def get_heroes():
    if HEROES:
        return HEROES
    else:
        return 'No heroes available', 404

def get_hero(id=None):
    try:
        hero = next(x for x in HEROES if x["id"] == id)
        return { "id": hero["id"], "name": hero["name"] }
    except StopIteration:
        return 'Hero not found', 404
    
def put_hero(id=None, hero=None):
    try:
        heroToUpdate = next(x for x in HEROES if x["id"] == id)
        heroToUpdate["name"] = hero["name"]
        return 'Hero updated', 200
    except StopIteration:
        return 'Hero not found', 404
    except Exception:
        return 'Some error', 403

def post_hero(hero=None):
    try:
        newHeroId = len(HEROES)
        hero["id"] = newHeroId
        HEROES.append(hero)
        return 'Hero inserted', 201
    except Exception:
        return 'Some error', 403