[EMAIL PROTECTED]:
> As for the original prooblem, why not use
> defaultdict? I think it's the most idiomatic way to achieve what we
> want. And also the fastest one, according to my quick-and-dirty tests:
It adds the new keys, I can't accept that:
>>> from collections import defaultdict as dd
>>> adict = {1:2, 3:4}
>>> addict = dd(lambda: None, adict)
>>> r = addict[10]
>>> addict
defaultdict(<function <lambda> at 0x008E6FB0>, {1: 2, 10: None, 3: 4})
Bye,
bearophile
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