def test_7(): assert fibonacci(7) == 13
def test_5(): assert fibonacci(5) == 5
def test_6(): assert fibonacci(6) == 8
def test_4(): assert fibonacci(4) == 3
def test_3(): assert fibonacci(3) == 2
def test_2(): assert fibonacci(2) == 1
def test_1(): assert fibonacci(1) == 1
def test_0(): assert fibonacci(0) == 0