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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 _sample_orthonormal_to(mu):
 """Sample point on sphere orthogonal to mu."""

    v = np.random.randn(mu.shape[0])
    proj_mu_v = mu * np.dot(mu, v) / np.linalg.norm(mu)
    orthto = v - proj_mu_v
    return orthto / np.linalg.norm(orthto)