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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 _generate_atom_feed(self, feed):
 """ A function returning a feed like `feedgen.feed.FeedGenerator`. The function can be overwritten when used in other applications. :param feed: a feed object :return: an atom feed `feedgen.feed.FeedGenerator` """

        atom_feed = self.init_atom_feed(feed)
        atom_feed.title("Feed")
        return atom_feed