This is `collections.Counter`.
On Sat, Feb 5, 2022, 3:19 PM Mirmojtaba Gharibi <mojtaba.ghar...@gmail.com>
wrote:
> Hello there,
>
> I have an idea for initializing a variable the first time it’s created; it
> can especially be helpful with containers, and dicts specifically. Let me
> demonstrate with some examples:
>
> Dic = {} # format fruit:count
> for fruit in fruits:
> If fruit in Dic:
> Dic[fruit]+=1
> Else:
> Dic[fruit]=1
>
> With my proposal, using := to init (similar to how in math parlance, the
> := is used for defining something for the first time)
>
> Dic = {} # format fruit:count
> For fruit in fruits:
> Dic[fruit]:= 0
> Dic[fruit]+=1
>
> Would be great to hear your feedback. Thanks.
>
> Moj
> _______________________________________________
> Python-ideas mailing list -- python-ideas@python.org
> To unsubscribe send an email to python-ideas-le...@python.org
> https://mail.python.org/mailman3/lists/python-ideas.python.org/
> Message archived at
> https://mail.python.org/archives/list/python-ideas@python.org/message/G4KJNQZYROB3NDWWLWSR5OHD7ZDCQQT4/
> Code of Conduct: http://python.org/psf/codeofconduct/
>
_______________________________________________
Python-ideas mailing list -- python-ideas@python.org
To unsubscribe send an email to python-ideas-le...@python.org
https://mail.python.org/mailman3/lists/python-ideas.python.org/
Message archived at
https://mail.python.org/archives/list/python-ideas@python.org/message/M42ENMB2JE6POYWSCEA4HRNPSV5FOBQU/
Code of Conduct: http://python.org/psf/codeofconduct/
