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+class TimeUtil(object) :%0A    @staticmethod%0A    def get_year_parameters(time=10) :%0A      import datetime as dt%0A      today = dt.datetime.today()%0A      d = dt.timedelta(days = ((time+1)*365))%0A      start_date = today -d%0A      return start_date.year, today.year, range(start_date.year,today.year)%0A    @staticmethod%0A    def getLastDay(month,year) :%0A      import datetime%0A      ret = datetime.date (year, month+1, 1) - datetime.timedelta (days = 1)%0A      return ret.day%0A%0A    class ExpireTimer() :%0A      def __init__(self,expire=1) :%0A        import datetime as dt%0A        self.expire = dt.datetime.today() + dt.timedelta(minutes = expire)%0A      def __call__(self) :%0A        import datetime as dt%0A        return self.expire %3E dt.datetime.today()%0A

Create TimeUtils.py