On Thu, 24 Sep 2015 04:54 pm, Ben Finney wrote: > Steven D'Aprano <steve+comp.lang.pyt...@pearwood.info> writes: > >> On Thursday 24 September 2015 16:16, Paul Rubin wrote: >> >> > Steven D'Aprano <steve+comp.lang.pyt...@pearwood.info> writes: >> >> for k, v in mydict.items(): >> >> del(k) >> >> […] The obvious intent is to iterate over the *values* of the >> dictionary, but the coder didn't know about values, so he iterated >> over (key,value) pairs, then deleted the key local variable (not the >> key in the dict!) to keep the namespace clean. > > That's not obvious to me. It's plausible, now that you say it. I find it > also plausible, though, that the author is under the mistaken impression > that the key and value must both be deleted, and has found a way that > appears to do that.
In fairness, I have seen the rest of the loop, which I excised, and it uses the value v. There's no hint that the author thinks the dict has been cleared by the end of the loop. -- Steven -- https://mail.python.org/mailman/listinfo/python-list
