human
I wrote the below code

    class x(object, ):
        def __eq__(self, other):
            return False
        def __ne__(self, other):
            return True
    a = x()
    d = {}
    d[a] = 42
    AreEqual(d[a], 42)

What's a good function header?
 ... Here's a good function header?
assistant
#Here's a good function header.

def test_dict_equality_lookup():