def test_symbol_real():
    # issue 3848
    a = Symbol('a', real=False)

    assert a.is_real is False
    assert a.is_integer is False
    assert a.is_negative is False
    assert a.is_positive in False
    assert a.is_nonnegative is False
    assert a.is_nonpositive is False
    assert a.is_zero is False
dataset/ETHPy150Open sympy/sympy/sympy/core/tests/test_assumptions.py/test_symbol_real/operator `is` -> `in`