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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def list_conversions(api_key, api_secret, video_key, **kwargs):
 """ Function which retrieves a list of a video object's conversions. :param api_key: <string> JWPlatform api-key :param api_secret: <string> JWPlatform shared-secret :param video_key: <string> Video's object ID. Can be found within JWPlayer Dashboard. :param kwargs: Arguments conforming to standards found @ https://developer.jwplayer.com/jw-platform/reference/v1/methods/videos/conversions/list.html :return: <dict> Dict which represents the JSON response. """

    jwplatform_client = jwplatform.Client(api_key, api_secret)
    logging.info("Querying for video conversions.")
    try:
        response = jwplatform_client.videos.conversions.list(video_key=video_key, **kwargs)
    except jwplatform.errors.JWPlatformError as e:
        logging.error("Encountered an error querying for video conversions.\n{}".format(e))
        sys.exit(e.message)
    return response