Python 1.6a2 (#0, Jun 14 2000, 23:07:49) [MSC 32 bit (Intel)] on win32 >>> (1, 2, 3) + [1, 2, 3] Traceback (most recent call last): File "<stdin>", line 1, in ? TypeError: can only append tuple (not "list") to tuple is "append" really the right word here? sure confused the hell out of yours truly... ("there's no friggin' append call in this code") </F>