def test_avg_empty_list(): c = Calc() res = c.avg([]) assert res == 0
def test_avg_upper_threshold_is_included(): c = Calc() res = c.avg([2, 5, 12, 98], ut=98, lt=2) assert res == 29.25
def test_avg_removes_lower_outiers(): c = Calc() res = c.avg([2, 5, 12, 98], lt=10) assert res == pytest.approx(55)
def test_avg_removes_upper_outiers(): c = Calc() res = c.avg([2, 5, 12, 98], ut=90) assert res == pytest.approx(6.33333)
def test_avg_correct_average(): c = Calc() res = c.avg([2, 5, 12, 98]) assert res == 29.25
def test_avg_manages_empty_list_before_outlier_removal(): c = Calc() res = c.avg([], lt=15, ut=90) assert res == 0