def test_binary_search6():
input_list = [11, 22, 33, 44, 55, 66, 77]
key = 90
expected = -1
actual = binary_search(input_list, key)
assert expected == actual
def test_binary_search5():
input_list = [4, 8, 15, 16, 23, 42]
key = 42
expected = 5
actual = binary_search(input_list, key)
assert expected == actual