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State mode and policy mode are like twins. They both encapsulate a series of algorithms or behaviors. Their class diagrams look almost identical, but their intentions are very different, so they are two very different modes. The policy pattern and the state pattern have in common that they both have a context, policies or state classes to which the context delegates the request to execute最终，她决定不认周丽琴，还是要一个人生活，让其他身边的人恢复平静的生活。野鸭子爱上了周丽琴的司机杨顺，野鸭子和杨顺要结婚，她要开创自己的新生活。从战争中恢复过来后，中士洛克率领特种兵特种部队对抗纳粹秘密研究基地。老将军沉声道：你既已判定敌情，也做出了选择，就该坚持到底，哪怕为此斩了青鸾公主，与敌人同归于尽也在所不惜。8-2 Favorite_book (): Write a function called favorite_book (), which contains a formal parameter called title. This function prints a message such as One of my favorite books is Alice in Wonderland. Call this function and pass the name of a book to it as an argument. ?本剧讲述了一个关于友情、爱情，也关于游戏的80、90后们的故事。四个爱玩游戏的大学男生以轻松搞笑的风格演绎着一个个令人捧腹的故事，你能在剧中听到熟悉的游戏语言，你能在他们的表演中找到自己的影子，或许他们的故事就是你的现实。他们是谁，他们和你一样，是热爱游戏、热爱生活的“好青年”……IBM's Price agrees.