def test_pythagoros_ab_neg():
result = pythagoras(a=-2, b=-3)
expected = -1
assert result == expected
def test_pythagoros_b_neg():
result = pythagoras(a=1, b=-4)
expected = -1
assert result == expected
def test_pythagoros_01_03():
result = pythagoras(a=0.1, b=0.3)
expected = 0.32
assert abs(result - expected) < 0.1
def test_pythagoros_4_5():
result = pythagoras(a=4, b=5)
expected = 6.4
assert abs(result - expected) < 0.1
def test_pythagoros_2():
result = pythagoras(a=2, b=2)
expected = 2.83
assert abs(result - expected) < 0.1
def test_pythagoros_1():
result = pythagoras(a=1, b=1)
expected = 1.41
assert abs(result - expected) < 0.1