def print_prompt_values(values, message=None, sub_attr=None):
    """Prints prompt title and choices with a bit of formatting."""
    if message:
        prompt_message(message)

    for index, entry in enumerate(values):
        if sub_attr:
            line = '{:2d}: {}'.format(index, getattr(utf8(entry), sub_attr))
        else:
            line = '{:2d}: {}'.format(index, utf8(entry))

        with indent(3):
            print_message(line)
Prints prompt title and choices with a bit of formatting.