def get_key_from_dict_HELPER(data_dict, key_list):
    """
    Returns a value from a dictionary given a nested key list

    :param data_dict: dictionary to add key to
    :type data_dict: dict
    :param key_list: list of nested keys
    :type key_list: list
    """
    for item in key_list:
        try:
            item = int(item)  # try to convert item to int in case it is an array index
        except ValueError:
            item = item
        data_dict = data_dict[item]
    return data_dict