RE: Popping key causes dict derived from object to revert to object

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Sujet : RE: Popping key causes dict derived from object to revert to object
De : <avi.e.gross (at) *nospam* gmail.com>
Groupes : comp.lang.python
Date : 22. Mar 2024, 19:11:00
Autres entêtes
Message-ID : <mailman.16.1711131063.3468.python-list@python.org>
References : 1 2 3 4
User-Agent : Microsoft Outlook 16.0
Loris wrote:

"Yes, I was mistakenly thinking that the popping the element would leave
me with the dict minus the popped key-value pair.  Seem like there is no
such function."

Others have tried to explain and pointed out you can del and then use the
changed dict.

But consider the odd concept of writing your own trivial function.

def remaining(adict, anitem):
  _ = adict.pop(anitem)
  # alternatively duse del on dict and item
  return adict


remaining({"first": 1, "second": 2, "third": 3}, "second")
{'first': 1, 'third': 3}


Or do you want to be able to call it as in dict.remaining(key) by
subclassing your own variant of dict and adding a similar method?




Date Sujet#  Auteur
21 Mar 24 * Popping key causes dict derived from object to revert to object14Loris Bennett
21 Mar 24 +- Re: Popping key causes dict derived from object to revert to object1dieter.maurer
21 Mar 24 `* Re: Popping key causes dict derived from object to revert to object12Mark Bourne
22 Mar 24  `* Re: Popping key causes dict derived from object to revert to object11Loris Bennett
22 Mar 24   +* Re: Popping key causes dict derived from object to revert to object7Grant Edwards
25 Mar 24   i`* Re: Popping key causes dict derived from object to revert to object6Loris Bennett
25 Mar 24   i +* Re: Popping key causes dict derived from object to revert to object3Michael F. Stemper
25 Mar 24   i i`* Re: Popping key causes dict derived from object to revert to object2Loris Bennett
25 Mar 24   i i `- Re: Popping key causes dict derived from object to revert to object1Jon Ribbens
25 Mar 24   i +- Re: Popping key causes dict derived from object to revert to object1Grant Edwards
25 Mar 24   i `- Re: Popping key causes dict derived from object to revert to object1<avi.e.gross
22 Mar 24   +- Re: Popping key causes dict derived from object to revert to object1<avi.e.gross
25 Mar 24   +- Re: Popping key causes dict derived from object to revert to object1Loris Bennett
25 Mar 24   `- Re: Popping key causes dict derived from object to revert to object1<avi.e.gross

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