def test_tv_show_replace_director_property():
tv_show1 = TV_Show("Sailor Moon: Crystal", 2014)
director1 = Director("John Musker")
director2 = Director("Ron Clements")
tv_show1.director = director1
tv_show1.director = director2
assert tv_show1.director is director2
def test_tv_show_director_property():
tv_show1 = TV_Show("Sailor Moon: Crystal", 2014)
director1 = Director("Munehisa Sakai")
tv_show1.director = director1
assert tv_show1.director is director1