def METHOD_NAME():
    tri = Triangle(p1=PointClass(1, 2), p2=PointNT(3, 4), p3={"x": 5, "y": 6})
    assert utils.get_value(tri, "p1.x") == 1
    assert utils.get_value(tri, "p2.x") == 3
    assert utils.get_value(tri, "p3.x") == 5