def test_guiterist():
john = Guitarist("John Lennon")
assert john.name == "John Lennon"
assert john.get_instrument() == "Guitar"
assert john.play_solo() == "Sympathy for the Devil"
assert john.__str__() == "John Lennon plays Guitar"
assert john.__repr__() == "Musician(John Lennon,Guitar)"
def test_guitarist_str():
moony = Guitarist("Moony")
actual = moony.__str__()
expected = "this is the string inside Musician superclass with instance Moony"
assert expected == actual