def _get_recursive_config_key(config, key):
    """
    Get the config value identified by the list of nested key values.

    :param config: Configuration dictionary.
    :param key: List of nested keys (in-order) for which the value should be retrieved.
    :return: The value in the configuration dictionary corresponding to the nested key.
    """
    return _get_recursive_config_key((config or {}).get(key[0]), key[1:]) if len(key) else config