code: def experimental(name=None):
      
      def inner(func):
          @functools.wraps(func)
          def wrapper(*fargs, **kw):
              fname = name
              if name is None:
                  fname = func.__name__
              warnings.warn("%s" % fname, category=ExperimentalWarning,
                            stacklevel=2)
              return func(*fargs, **kw)
          return wrapper
      return inner
docs: A simple decorator to mark functions and methods as experimental.