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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_orientation(k, i, j):
 from pylocus.basics_angles import from_0_to_2pi """calculate angles theta_ik and theta_jk theta produce point Pk. Should give the same as get_absolute_angle! """

        theta_ij = own.abs_angles[i, j]
        theta_ji = own.abs_angles[j, i]

        # complicated
        xi = own.points[i, 0]
        xj = own.points[j, 0]
        yi = own.points[i, 1]
        yj = own.points[j, 1]
        w = np.array([yi - yj, xj - xi])
        test = np.dot(own.points[k, :] - own.points[i, :], w) > 0

        # more elegant
        theta_ik = truth.abs_angles[i, k]
        diff = from_0_to_2pi(theta_ik - theta_ij)
        test2 = (diff > 0 and diff < pi)
        assert (test == test2), "diff: %r, scalar prodcut: %r" % (diff, np.dot(
            own.points[k, :] - own.points[i, :], w))

        thetai_jk = truth.get_theta(i, j, k)
        thetaj_ik = truth.get_theta(j, i, k)
        if test:
            theta_ik = theta_ij + thetai_jk
            theta_jk = theta_ji - thetaj_ik
        else:
            theta_ik = theta_ij - thetai_jk
            theta_jk = theta_ji + thetaj_ik
        theta_ik = from_0_to_2pi(theta_ik)
        theta_jk = from_0_to_2pi(theta_jk)
        return theta_ik, theta_jk