> > > Thank you so much for your help - I was twisting my head around the nested recursing :-) Since I just use this one-line-tree-code<https://gist.github.com/hrldcpr/2012250> to create my structure, modifying it proved difficult. I got it to work based on your code by checking the length of the dictionaries instead of using isinstance and items() instead of iteritems() since I'm using defaultdictionaries.
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