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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 param_remove(self, param: 'str') -> None: """ Remove a param from this model :param param: name of the parameter to be removed :type param: str """

        for attr in self._param_attr_dicts:
            if param in self.__dict__[attr]:
                self.__dict__[attr].pop(param)

        for attr in self._param_attr_lists:
            if param in self.__dict__[attr]:
                self.__dict__[attr].remove(param)