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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def classical(self, **kwargs):
 """ turn classical mode on and off for various categories turn on all classical modes: classical() classical(all=True) turn on or off specific claassical modes: e.g. classical(herd=True) classical(names=False) By default all classical modes are off except names. unknown value in args or key in kwargs rasies exception: UnknownClasicalModeError """

        classical_mode = list(def_classical.keys())
        if not kwargs:
            self.classical_dict = all_classical.copy()
            return
        if "all" in kwargs:
            if kwargs["all"]:
                self.classical_dict = all_classical.copy()
            else:
                self.classical_dict = no_classical.copy()

        for k, v in list(kwargs.items()):
            if k in classical_mode:
                self.classical_dict[k] = v
            else:
                raise UnknownClassicalModeError