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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_annual(self):
 """Check if an analysis period is annual."""

        if (self.st_month, self.st_day, self.st_hour, self.end_month,
                self.end_day, self.end_hour) == (1, 1, 0, 12, 31, 23):
                    return True
        else:
            return False