builder pattern generic implementation of the builder pattern in python looks like thisform_builder py from abc import abcmetaabstractmethod class director(objectmetaclass=abcmeta)def __init__(self)self _builder none @abstractmethod def construct(self)pass def get_constructed_object(self)return self _builder constructed_object class builder(objectmetaclass=abcmeta)def __init__(selfconstructed_object)self constructed_object constructed_object class product(object)def __init__(self)pass def __repr__(self)pass class concretebuilder(builder)pass class concretedirector(director)pass you see we have an abstract classbuilderwhich forms the interface for creating objects (productthenthe concretebuilder provides an implementation for builder the resulting object is able to construct other objects