from random import randint

first_names = [
    "Arwen",
    "Elrond",
    "Galadriel",
    "Legolas",
    "Thranduil",
    "Eowyn",
    "Boromir",
    "Faramir",
    "Gandalf",
    "Celeborn",
]
last_names = [
    "Stormrider",
    "Shadowhunter",
    "Moonwhisper",
    "Nightshade",
    "Dragonbane",
    "Ironfist",
    "Brightblade",
    "Windwalker",
    "Starfire",
    "the Bard",
]


def random_name():
    first_name_idx = randint(0, len(first_names) - 1)
    last_name_idx  = randint(0, len(last_names) - 1)
    first_name = first_names[first_name_idx]
    last_name  = last_names[last_name_idx]
    return f"{first_name} {last_name}"


def random_party(party_size):
    party = []
    while len(party) < party_size:
        new_name = random_name()
        if new_name not in party:
            party.append(new_name)

    party_name = ""
    for i in range(len(party)):
        name = party[i]
        if i == 0:
            party_name += name
        elif i == len(party) - 1:
            party_name += ", and " + name
        else:
            party_name += ", " + name
    return party_name


# Example Usage
print(f"{random_name()} entered the tavern where they met {random_name()} the tavern keep")
print(f"{random_party(3)} approached the evil {random_name()}")