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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 is_long_year(self):
 """ Determines if the instance is a long year See link `https://en.wikipedia.org/wiki/ISO_8601#Week_dates`_ :rtype: bool """

        return (
            pendulum.datetime(self.year, 12, 28, 0, 0, 0, tz=self.tz).isocalendar()[1]
            == 53
        )