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是哥哥指点的妙。222. X.X.121202. X.X.150Python Reference Manual: This book is only used as a reference book. When you encounter a problem, turn over the book and consolidate it (of course, the fact may be that you went directly to Google). This kind of book does not need to be brushed from beginning to end, but only needs to be checked and filled (e-books are fine)3.22095年10月31日。The template method pattern consists of two parts, The first part is the abstract parent class, The second part is the subclass of concrete implementation. Generally, the abstract parent class encapsulates the algorithm framework of the subclass, including implementing some common methods and encapsulating the execution sequence of all methods in the subclass. The subclass can inherit the parent class and rewrite the methods of the parent class in the subclass, thus realizing its own business logic.