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Re: Convert list to another form but providing same information

From Ian Kelly <ian.g.kelly@gmail.com>
Newsgroups comp.lang.python
Subject Re: Convert list to another form but providing same information
Date 2016-03-21 14:14 -0600
Message-ID <mailman.462.1458591310.12893.python-list@python.org> (permalink)
References <1010f2cb-21f9-495b-8af4-03ad209b4c1e@googlegroups.com> <87bn67oayt.fsf@bsb.me.uk> <CALwzid=f5cQJyqij3hF_BoXdwkK4BuSj4YdTu3NbRnyUdYyRMg@mail.gmail.com>

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On Mon, Mar 21, 2016 at 2:12 PM, Ian Kelly <ian.g.kelly@gmail.com> wrote:
> On Mon, Mar 21, 2016 at 2:03 PM, Ben Bacarisse <ben.usenet@bsb.me.uk> wrote:
>> For experts here: why can't I write a lambda that has a statement in it
>> (actually I wanted two: lambda l, i: l[i] += 1; return l)?
>
> https://docs.python.org/3/faq/design.html#why-can-t-lambda-expressions-contain-statements

tl;dr: If you want a function with a statement in it, use def, not lambda.

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Convert list to another form but providing same information Maurice <mauricioliveiraguarda@gmail.com> - 2016-03-21 11:26 -0700
  Re: Convert list to another form but providing same information Maurice <mauricioliveiraguarda@gmail.com> - 2016-03-21 11:30 -0700
    Re: Convert list to another form but providing same information Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-03-21 19:24 +0000
    Re: Convert list to another form but providing same information anantguptadbl@gmail.com - 2016-03-22 07:23 -0700
  Re: Convert list to another form but providing same information Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-03-21 19:21 +0000
  Re: Convert list to another form but providing same information Peter Otten <__peter__@web.de> - 2016-03-21 20:22 +0100
  Re: Convert list to another form but providing same information Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-03-21 20:03 +0000
    Re: Convert list to another form but providing same information Ian Kelly <ian.g.kelly@gmail.com> - 2016-03-21 14:12 -0600
      Re: Convert list to another form but providing same information Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-03-22 00:31 +0000
        Re: Convert list to another form but providing same information Chris Angelico <rosuav@gmail.com> - 2016-03-22 11:58 +1100
        Re: Convert list to another form but providing same information Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-03-22 15:34 +1100
    Re: Convert list to another form but providing same information Ian Kelly <ian.g.kelly@gmail.com> - 2016-03-21 14:14 -0600
  Re: Convert list to another form but providing same information Steven D'Aprano <steve@pearwood.info> - 2016-03-22 11:13 +1100
  Re: Convert list to another form but providing same information Paul Rubin <no.email@nospam.invalid> - 2016-03-21 18:35 -0700
    Re: Convert list to another form but providing same information Steven D'Aprano <steve@pearwood.info> - 2016-03-22 21:49 +1100

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