Tim Chase <python.l...@tim.thechases.com> wrote: > a_dict = dict(...) > b_dict = dict(...) > a_set = set(a_dict) > b_set = set(b_dict) > added_keys = b_set - a_set > removed_keys = a_set - b_set > same_keys = a_set & b_set > diff_keys = a_set ^ b_set > all_keys = a_set | b_set > > It would save some space if I didn't have to duplicate all the keys > into sets (on the order of 10-100k small strings), instead being able > to directly perform the set-ops on the dicts. But otherwise, it was > pretty readable & straight-forward. > It doesn't matter whether they were small strings or full-length novels, creating a set from a dict doesn't duplicate any strings.
-- Duncan Booth http://kupuguy.blogspot.com -- https://mail.python.org/mailman/listinfo/python-list