code: def _copy_params(self):
          
          cls = type(self)
          src_name_attrs = [(x, getattr(cls, x)) for x in dir(cls)]
          src_params = list(filter(lambda nameAttr: isinstance(nameAttr[1], Param), src_name_attrs))
          for name, param in src_params:
              setattr(self, name, param._copy_new_parent(self))
docs: Copy all params defined on the class to current object.