test_statistics.py 文件源码

def test_bimodal_data(self):
        # Test mode with bimodal data.
        data = [1, 1, 2, 2, 2, 2, 3, 4, 5, 6, 6, 6, 6, 7, 8, 9, 9]
        assert data.count(2) == data.count(6) == 4
        # Check for an exception.
        self.assertRaises(statistics.StatisticsError, self.func, data)