def change_custom_seed(seed):
    """
    change CustomCarry seed
    example:
    change_custom_seed([1,2,3])  # then CustomCarry.SEED_LIST == '123' is True
    :param seed:
    :return:
    """
    if isinstance(seed, (basestring, list, tuple)):
        seed = Seed(seed)
    if isinstance(seed, Seed):
        CustomCarry.SEED_LIST = seed