docs: def summoner_names_to_id(summoners):
      """
      Gets a list of summoners names and return a dictionary mapping the player name to his/her summoner id
      :param summoners: a list of player names
      :return: a dictionary name -> id
      """
      ids = {}
      for start, end in _slice(0, len(summoners), 40):
          result = get_summoners_by_name(summoners[start:end])
          for name, summoner in result.items():
              ids[name] = summoner.id
      return ids