OK ! thank you Skip Montanaro a écrit: > Franck> I don't understand a weird behavior of python > ... > Franck> def function2(var1, var2, var3 = []): > Franck> ..... > > Franck> Anyone can help me ? > >Sure. Read FAQ 6.25: > > http://www.python.org/cgi-bin/faqw.py?req=show&file=faq06.025.htp > >Skip > > >