def test2_ten():
actual = fibonacci2(10)
expected = 55
assert actual == expected
def test2_three():
actual = fibonacci2(3)
expected = 2
assert actual == expected
def test2_one():
actual = fibonacci2(1)
expected = 1
assert actual == expected
def test2_two():
actual = fibonacci2(2)
expected = 1
assert actual == expected
def test2_zero():
actual = fibonacci2(0)
expected = 0
assert actual == expected