dictionary comparison

[Peter Schneider-Kamp]

pzs at dcs.gla.ac.uk wrote:
> 
> What's the best way of comparing a dictionary with another (possibly
> itself) without doing each comparison twice as
> 
> for key1 in dict1.keys():
>         for key2 in dict2.keys():

Far from being the best way, one obvious way would be to
loop over the concatenated keys-sequence of both dicts:

for key in dict1.keys()+dict2.keys():
  try:
    if dict1[key] != < > == ... dict2[key]:
      do something
  except KeyError:
    ...

Peter
--
Peter Schneider-Kamp          ++47-7388-7331
Herman Krags veg 51-11        mailto:peter at schneider-kamp.de
N-7050 Trondheim              http://schneider-kamp.de