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Factory Pattern: Factory Pattern is a frequently used pattern. Classes implemented according to Factory Pattern can generate instances of one of a group of classes according to the provided data. Usually, this group of classes has a common abstract parent class and implements the same methods, but these methods perform different operations for different data. First of all, we need to define a base class. Subclasses of this class implement methods in the base class through different methods. Then you need to define a factory class that can generate different subclass instances according to conditions. After getting an instance of a subclass, developers can call methods in the base class regardless of which subclass instance is returned.堂下看热闹的人掀起一片叫喊，有支持玉米的，有支持大苞谷的，喧嚷争论不休。权贤（申贤俊饰）和弘飚（李秉宪饰）是两个自幼被迫分离的亲兄弟，哥哥权贤被政治世家的权武赫收养，备受宠爱，过着衣食无忧的奢华生活，但他是一个对政治毫无兴趣，又无法适应社会的虚无主义者；弟弟弘飚在...……钢琴系优等生李臻言梦想着成为一名指挥家，但却因童年的阴影一直踟蹰不前。他在人生失意的时候与音乐怪才方小莴相遇，方小莴不受拘束、灵动纯粹的音乐风格，李臻言与她因音乐而产生了更深的羁绊与共鸣，由此慢慢敞开心扉，重燃对梦想的追求。同时，二人在同窗生活中也产生了爱情，成为 彼此的依靠，并在对方的支持和鼓励下直面内心的恐惧，一同踏上追求音乐和梦想的旅途......Run the script to see if it has any different effects.令狐冲掏出上一次东方不败留下的酒壶，饮了一口。