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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 _init_orient(self):
 """Retrieve the quadrature points and weights if needed. """

        if self.orient == orientation.orient_averaged_fixed:
            (self.beta_p, self.beta_w) = quadrature.get_points_and_weights(
                self.or_pdf, 0, 180, self.n_beta)
        self._set_orient_signature()