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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 duplicate(self):
 """Return a copy of the analysis period."""

        return AnalysisPeriod(self.st_month, self.st_day, self.st_hour,
                              self.end_month, self.end_day, self.end_hour,
                              self.timestep, self.is_leap_year)