code: def del_cookie(self, name: str, *,
                     domain: Optional[str]=None,
                     path: str='/') -> None:
          
          # TODO: do we need domain/path here?
          self._cookies.pop(name, None)
          self.set_cookie(name, '', max_age=0,
                          expires="Thu, 01 Jan 1970 00:00:00 GMT",
                          domain=domain, path=path)
docs: Delete cookie.
  
          Creates new empty expired cookie.