def distinct_naive_verbose(items):
    """
    This naive and verbose implementation returns distinct elements of a list.
    """
    results = list()

    # iterate through all items
    for item in items:
        member = False

        # linear search for the actual item in results
        for result in results:
            if item == result:
                member = True
                break

        # if we didn't find the item in results it is unique and we append to the results
        if not member:
            results.append(item)

    return results