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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 last_update_time(self, value):
 """ Setter for the last_update_time attribute :param datetime.datetime value: value to set for the element """

        if isinstance(value, (datetime.datetime,)):
            self._last_update_time = value
        else:
            raise ValueError("Expect last_update_time to be a datetime")