def find_by_uuid(_list: list, uuid: str):
    """
    Finds a user in a leaderboard by their uuid
    :param (list) _list: The leaderboard list
    :param (str) uuid: Player's UUID
    :returns (int) i: Placing of a user in the leaderboard
    """
    for i, dic in enumerate(_list):
        if dic['uuid'] == uuid:
            return i
    return -1