python设计模式结构型

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第2章 Python的结构型设计模式结构型设计模式的主要用途是将一种对象改装为另一种对象，或将小对象拼合成大对象。结构型设计模式有三个主题：适配接口（adapt interface）、增加功能（add functionality）和处理对象群集（handle ...

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