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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 as_hyperbola(self, rotated=False):
 """ Hyperbolic error area """

        idx = N.diag_indices(3)
        _ = 1/self.covariance_matrix[idx]
        d = list(_)
        d[-1] *= -1

        arr = N.identity(4)*-1
        arr[idx] = d
        hyp = conic(arr)
        if rotated:
            R = augment(self.axes)
            hyp = hyp.transform(R)
        return hyp