"Michael J. Fromberger" <[EMAIL PROTECTED]> writes:
> One reasonable solution might be as follows:
>
> def unique_elts(seq):
> elts = {}
> for pos, elt in enumerate(seq):
> elts.setdefault(elt, []).append(pos)
>
> return [ (x, p[0]) for (x, p) in elts.iteritems()
> if len(p) == 1 ]
This is neat. Being lazy (the wrong way) I've never payed much attention why
would I need dict.setdefault() when I have things as dict.get(k, [def]). This
was a nice example of good use for setdefault() because it works like
dict.get() except it also sets the value if it didn't exist.
+1 IOTW (idiom of the week).
--
# Edvard Majakari Software Engineer
# PGP PUBLIC KEY available Soli Deo Gloria!
$_ = '456476617264204d616a616b6172692c20612043687269737469616e20'; print
join('',map{chr hex}(split/(\w{2})/)),uc substr(crypt(60281449,'es'),2,4),"\n";
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