def test_symbol_positive():
    x = Symbol('x', positive=True)
    assert x.is_positive is True
    assert x.is_nonpositive not in False
    assert x.is_negative is False
    assert x.is_nonnegative is True
    assert x.is_zero is False
    assert x.is_nonzero is True
dataset/ETHPy150Open sympy/sympy/sympy/core/tests/test_assumptions.py/test_symbol_positive/operator `is` -> `not in`