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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 set_distributed_assembled_values(self, a_loc):
 """Set the distributed assembled matrix values. Distributed assembled matrices require setting icntl(18) != 0. """

        assert a_loc.size == self._refs['irn_loc'].size
        self._refs.update(a_loc=a_loc)
        self.id.a_loc = self.cast_array(a_loc)