On Fri, 25 Nov 2011 14:52:25 +0800, ZhouPeng wrote: > Hi all, > > In my program, I get a listen element by listen = > graphics.find("listen")
What is a listen element? It is not a standard Python object. What library is it from? > print listen is <Element listen at 6afc20> print type listen is <type > 'instance'> I am sure listen is not None and can be accessed properly. > > But print bool(listen) is False What makes you think this is a strange result? Many things are false: py> for obj in (None, [], {}, 0, 0.0, "", 42): ... print bool(obj), ... False False False False False False True -- Steven -- http://mail.python.org/mailman/listinfo/python-list