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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 settime(self, time):
 """ Set point in time used to check validity of certificates for Time can be either python datetime object or number of seconds sinse epoch """

        if isinstance(time, datetime) or isinstance(time,
                                                             datetime.date):
            seconds = int(time.strftime("%s"))
        elif isinstance(time, int):
            seconds = time
        else:
            raise TypeError("datetime.date, datetime.datetime or integer " +
                            "is required as time argument")
        raise NotImplementedError