def llite_fs(directory):
 for fs in os.listdir(directory):
  (fs_name, _, fs_id) = fs.partition('-')
  (yield fs_name)

def llite_fs ( directory ) : for fs in os . listdir ( directory ) : ( fs_name , _ , fs_id ) = fs . partition ( '-' ) ( yield fs_name )
return fs names based on folder names in llite directory .