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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 updated(self, user, options):
 """ True if the issue was commented by given user """

        for comment in self.comments:
            created = dateutil.parser.parse(comment["created"]).date()
            try:
                if (comment["author"]["emailAddress"] == user.email and
                        created >= options.since.date and
                        created < options.until.date):
                    return True
            except KeyError:
                pass
        return False