dict slice assignment with tuples?

[Berthold Höllmann]

wtanksle at dolphin.openprojects.net (William Tanksley) writes:

> On Wed, 15 Sep 1999 14:45:44 -0700 (PDT), Nathan Clegg wrote:
> >I appreciate python's ability to assign several values to several keys in
> >a dictionary, such as in:
> 
> >a = {}
> >a['b', 'c', 'd'] = [4, 5, 6]
> 
> Before you go on, I have to warn you that this may not be doing what you
> expect.  It's actually not creating several keys; it's creating a single
> key, whose value is ('a','c','d').
> 
> What you're expecting would be kinda nice, no doubt.  IIRC, you can get it
> with:
> 
> a = {}
> a.update( { 'b':4, 'c':5, 'd':6 } )
> 
> Yup, that seems to work.

Hello,

Yes, it works, but think it is not what Nathan wants. I guess

>>> a = {}
>>> def x():
...     return (4, 5, 6) 
... 
>>> map(lambda k,v,a=a:a.update({k:v}) , ('b', 'c', 'd'), x())
[None, None, None]
>>> a
{'d': 6, 'b': 4, 'c': 5}
>>> 

looks much more like what is wanted.

Cheers

Berthold
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