Class SizedNormalDist

Lib/test/test_statistics.py:3259–3262

        # All subclasses to compare equal giving the same behavior
        # as list, tuple, int, float, complex, str, dict, set, etc.
        class SizedNormalDist(NormalDist):
            def __init__(self, mu, sigma, n):
                super().__init__(mu, sigma)
                self.n = n
        s = SizedNormalDist(100, 15, 57)
        nd4 = NormalDist(100, 15)
        self.assertEqual(s, nd4)