Python supports metaprogramming, which allows you to write code that manipulates other code. Two key features of metaprogramming in Python are **decorators** and **metaclasses**. ## **1. Decorators** ...
TypeError: metaclass conflict: the metaclass of a derived class must be a (non-strict) subclass of the metaclasses of all its bases を送出する。BがAを継承するならばmetaBもmetaAを継承しなければならない、と。しかしながら LSP: リスコフの置換原則 ...