def test_parser():
    assert Abs(0.333333333 - parse_maxima('float(1/3)')) < 10**(-5)
    assert parse_maxima('13^26') == 91733330193268616658399616009
    assert parse_maxima('sin(%pi/2) + cos(%pi/3)') == Rational(3, 2)
    assert parse_maxima('log(%e)') == 1
dataset/ETHPy150Open sympy/sympy/sympy/parsing/tests/test_maxima.py/test_parser/swapped operands of `-`