def __subtract_list(list_a: list , list_b: list):
    """
    Private Function - removes elements from a list via subtaction

    Parameters:
    list_a (list): The original list
    list_b (list): A list of values to remove from list_a

    Returns:
    list: returns a substracted list of elements
    
    """
    return [x for x in list_a if x not in set(list_b)]