"Yun Mao" <maoy at cis.upenn.edu> writes: > Hi, I'm looking for a way in unpickling, or equivalent, such that can only > unpickle (or is limited to) simple data structure, such as number, string, > list, tuples. marshal The docs have similar warnings, though. What's are you trying to do? I'm amazed that WAYTTD isn't a standard USENET acronym by now... John