def test_relational():
    from sympy import Lt
    assert (pi < 3) is S.false
    assert (pi <= 3) is S.false
    assert (pi > 3) is S.true
    assert (pi >= 3) is S.true
    assert (-pi < 3) is S.true
    assert (-pi <= 3) is S.true
    assert (-pi > 3) is S.false
    assert (-pi >= 3) is S.false
    r = Symbol('r', real=True)
    assert (r - 2 < r - 3) is S.false
    assert Lt(x + I, x + I + 2).func == Lt  # issue 8288
dataset/ETHPy150Open sympy/sympy/sympy/core/tests/test_expr.py/test_relational/original