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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_valid_date_time(self, inpt, metadata):
 """Checks if input is a valid DateTime object"""

        # NEED TO ADD CHECKS FOR OTHER METADATA, LIKE MINIMUM, MAXIMUM, ETC.
        from dlkit.abstract_osid.calendaring.primitives import DateTime as abc_datetime
        if isinstance(inpt, abc_datetime):
            return True
        else:
            return False