def test_lucas_0():
expected = 2
actual = lucas(0)
assert actual == expected
def test_lucas_1():
expected = 1
actual = lucas(1)
assert actual == expected
def test_lucas_2():
expected = 3
actual = lucas(2)
assert actual == expected
def test_lucas_3():
expected = 4
actual = lucas(3)
assert actual == expected
def test_luc_two():
actual = lucas(2)
expected = 3
assert actual == expected
def test_luc_six():
actual = lucas(6)
expected = 18
assert actual == expected
def test_luc_one():
actual = lucas(1)
expected = 1
assert actual == expected
def test_luc_zero():
actual = lucas(0)
expected = 2
assert actual == expected
def test_lucas(): actual = lucas(3) expect = 4 assert actual == expect
def test_lucas_ten():
actual = lucas(10)
expected = 123
assert actual == expected
def test_lucas_five():
actual = lucas(5)
expected = 11
assert actual == expected
