AssignmentPartBAssignmentPartBAssignmentOverview:AssignmentstaskyouwithapplyingtheskillsandknowledgeyouhavelearntthroughtheEdLessons.TheyarenomoredifficultthantheexercisesinyourEdLessons.Youmustmeetallcompetencyrequi

装饰器参考：搞懂Python装饰器Python@wraps修饰器装饰器是什么有兴趣的可以参考PEP318的原文DecoratorsforFunctionsandMethods解释了语法用途以及设计出来装饰器的动机Thecurrentmethodfortransformingfunctionsandmethods(forinstance,declaringthem