def test_0(): assert countHi("xxhixx") == 1
def test_1(): assert countHi("xhixhix") == 2
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_6(): assert countHi("ihihihihih") == 4
def test_5(): assert countHi("") == 0
def test_4(): assert countHi("h") == 0
def test_3(): assert countHi("hihih") == 2
def test_2(): assert countHi("hi") == 1