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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 check_date (self):
 """ Check for special dates. """

        now = datetime.date.today()
        if now.day == 7 and now.month == 1:
            msg = _("Happy birthday for LinkChecker, I'm %d years old today!")
            self.comment(msg % (now.year - 2000))