code: def open_fs(fs_url=None, *args, **kwargs):
      
      from fs.opener import open_fs as _open_fs
      from os.path import expanduser
      from os import getcwd
  
      if fs_url is None:
          fs_url = getcwd()
  
      return _open_fs(expanduser(str(fs_url)), *args, **kwargs)
docs: Wraps :obj:`fs.opener.registry.Registry.open_fs`, with default to local current working directory and expanding ~ in
      path.
  
      :param str fs_url: A filesystem URL
      :param parse_result: A parsed filesystem URL.
      :type parse_result: :class:`ParseResult`
      :param bool writeable: True if the filesystem must be writeable.
      :param bool create: True if the filesystem should be created if it does not exist.
      :param str cwd: The current working directory (generally only relevant for OS filesystems).
      :param str default_protocol: The protocol to use if one is not supplied in the FS URL (defaults to ``"osfs"``).
      :returns: :class:`fs.base.FS` object