def test_9():
assert countHi("xhixhxihihhhih") == 3
def test_10():
assert countHi("ship") == 1
def test_7():
assert countHi("ihihihihihi") == 5
def test_8():
assert countHi("hiAAhi12hi") == 3
def test_5():
assert countHi("") == 0
def test_6():
assert countHi("ihihihihih") == 4
def test_4():
assert countHi("h") == 0
def test_3():
assert countHi("hihih") == 2
def test_2():
assert countHi("hi") == 1
def test_1():
assert countHi("xhixhix") == 2
def test_0():
assert countHi("xxhixx") == 1