> Actually I'm trying to convert a string to a list of float numbers: > str = '53,20,4,2' to L = [53.0, 20.0, 4.0, 2.0] str="53,20,4,2" map(lambda s: float(s), str.split(',')) Last expression returns: [53.0, 20.0, 4.0, 2.0] -- Happy Hacking. Dmitry "Sphinx" Dzhus http://sphinx.net.ru