Code:

class DiRSSFeed(DiSkillV2):
    def __init__(self):
        super().__init__()
        self.rss_feed: str = "url/feed"

    def setRSSFeed(self, rssURL: str) -> DiRSSFeed:
        self.rss_feed = rssURL
        return self

    def input(self, ear: str, skin: str, eye: str):
        if ear == "rss test":
            self.setVebatimAlgFromList(4, self.get_rss_titles(self.rss_feed))

    @staticmethod
    def get_rss_titles(rss_url) -> list[str]:
        feed = feedparser.parse(rss_url)
        titles = [entry.title for entry in feed.entries]  # [:15]
        return titles