A.@decorator def func():passB.def func()decorator:passC.func =decorator(func)D.A和C都對
A.def func():yield xB.function*func(){yield x;}C.generator func(){yield x;}D.func =generator(x for x in range(10))
A.x if condition else yB.condition ?x :yC.if condition:x else:yD.condition then x else y