How to check is something is a list or a dictionary or a string?

Larry Bates larry.bates at
Sat Aug 30 14:42:53 CEST 2008

dudeja.rajat at wrote:
> Hi,
> How to check if something is a list or a dictionary or just a string?
> Eg:
> for item in self.__libVerDict.itervalues():
>             self.cbAnalysisLibVersion(END, item)
> where __libVerDict is a dictionary that holds values as strings or
> lists. So now, when I iterate this dictionary I want to check whether
> the item is a list or just a string?
> Thanks,
> Rajat

Are you sure that is what you want to do or do you want to make sure that 
"something" is an iterable.  What if someone passed in a generator or a class 
instance that is iterable, do you really want to fail?


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