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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 get_attribute_keys(self):
 """ Returns a list of managed attributes for the Model class Implemented for use with data adapters, can be used to quickly make a list of the attribute names in a prestans model """


        _attribute_keys = list()

        for attribute_name, type_instance in self.getmembers():

            if isinstance(type_instance, DataType):
                _attribute_keys.append(attribute_name)

        return _attribute_keys