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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 _deserialize_datetime(self, data):
 """Take any values coming in as a datetime and deserialize them """

        for key in data:
            if isinstance(data[key], dict):
                if data[key].get('type') == 'datetime':
                    data[key] = \
                        datetime.datetime.fromtimestamp(data[key]['value'])
        return data