Kevin at Cazabon.com: >I had a perplexing problem [...] >def a(list = []): [...] >I would expect it to print "['test']" twenty times, correct? It doesn't. This is explained in section 4.7.1 of the Python tutorial: http://www.python.org/doc/current/tut/node6.html -- René Pijlman Wat wil jij leren? http://www.leren.nl