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2. Find a similar Kaggle competition. As a Kaggler who has not been in contact with me for a long time, I have completed the collection of basic analysis of all Kaggle competitions.张耳和灌婴心中也是七上八下的，虽然对韩信都是很有信心。听见小七哭得比打锣还响，他再也不夸小七厉害了，转身一头扑进郑氏怀里，不忍观看。主要讲述了叛逆校霸意外穿书变孱弱少年，机缘巧合下被绑定“学霸解锁超能力系统”，通过努力学习，获得超能力加持，让自身不断强大的同时，结交挚友，重新找到自己人生意义的励志校园故事。The adapter for the interface is as follows: Sometimes we write an interface with multiple abstract methods, When we write the implementation class for the interface, All methods of the interface must be implemented, This is obviously wasteful at times, Because not all methods are what we need, Sometimes only a few are needed, In order to solve this problem here, we have introduced the adapter mode of the interface. With the help of an abstract class, the abstract class implements the interface and all methods. However, we do not deal with the original interface, but only get in touch with the abstract class, so we write a class, inherit the abstract class and rewrite the methods we need. Take a look at the class diagram:讲述俄罗斯历史上唯一一位被冠以“大帝”之名的女皇叶卡捷琳娜二世·阿列克谢耶芙娜的崛起，以及她和丈夫彼得三世·费奥多罗维奇的关系。凯瑟琳10岁时被介绍给了彼得，作为欧洲皇室使用婚姻控制国家间政治联系的工具。虽然她承认一开始觉得他很讨厌，但在她满16岁之后，两人结婚了。