(envoyé via news:\\news.wanadoo.fr\comp.lang.python) Hi! Yes, the module sets is written, in doc, like "deprecated". But: - sets exist in Python 2.6 (& 2.5 or 2.4) - documentation of sets (module) is better tha, documentation of set (builtin) The best: read the documentaion of the module, and use the builtin... @-salutations -- MCI