def test_true_positive_rate5():
    est_positive = [False,False]
    est_negative = [False,False]
    
    result = true_positive_rate(est_positive,est_negative)
    assert_almost_equal(result,0.0)
def test_true_positive_rate3():
    est_positive = [True, True]
    est_negative = [True,True]
    
    result = true_positive_rate(est_positive,est_negative)
    assert_almost_equal(result,2/4.0)