score.py

from collections import defaultdict
from typing import Dict, List


class Player:
    def __init__(self, nick: str, ip: str):
        self.nick = nick
        self.ip = ip


class KillEvent:
    def __init__(self, killer: Player, victim: Player):
        self.killer = killer
        self.victim = victim


class Match:
    def __init__(self, players: List[Player]):
        self.players = players
        self.events: List[KillEvent] = []

    def new_kill(self, killer: Player, victim: Player) -> None:
        kill = KillEvent(killer, victim)
        self.events.append(kill)

    def score_table(self) -> Dict[str, int]:
        score: Dict[str, int] = defaultdict(int)  # esto inicializa todos los values en 0
        for kill in self.events:
            score[kill.killer.nick] += 1
            score[kill.victim.nick] -= 1
        return score

    def score_for(self, player: Player) -> int:
        score_table = self.score_table()
        return score_table[player]