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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 fetch_submissions(self, submissions_callback, *args):
 """Wrap the submissions_callback function."""

        logger.debug('Fetching submissions')

        submissions_callback(*args)

        logger.info('Found {} submissions'.format(len(self.submissions)))
        if not self.submissions:
            return

        self.min_date = min(x.created_utc for x in self.submissions.values())
        self.max_date = max(x.created_utc for x in self.submissions.values())

        self.process_submitters()
        self.process_commenters()