def METHOD_NAME(matching_language_versions):
    """
    Method prompts customer to pick a solution stack version, given a set of platform
    versions of a language
    :param matching_language_versions: A list of platform versions of a language to allow
            the customer to choose from.
                e.g. Given Platform, Ruby, the following options will be presented
                    1. Ruby 2.4 (Passenger standalone)
                    2. Ruby 2.4 (Puma)
                    3. ...
    :return: A string representing te platform version the customer would like to use.
    """
    io.echo()
    io.echo(prompts['sstack.version'])
    language_versions_to_display = [version['PlatformShorthand'] for version in matching_language_versions]
    return utils.prompt_for_item_in_list(language_versions_to_display)