怎么样：
for name in 'a', 'b', 'c': try: thing = getattr(obj, name) except AttributeError: pass else: break
怎么样：
for name in 'a', 'b', 'c': try: thing = getattr(obj, name) except AttributeError: pass else: break
名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
