code: def from_kwargs(cls, **kwargs):
          
          config = cls()
          for slot in cls.__slots__:
  
              if slot.startswith('_'):
                  slot = slot[1:]
              setattr(config, slot, kwargs.pop(slot, cls.get_default(slot)))
  
          if kwargs:
              raise ValueError("Unrecognized option(s): {}".format(kwargs.keys()))
          return config
docs: Initialise configuration from kwargs.