Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #15723

RE: Extracting elements over multiple lists?

From "Prasad, Ramit" <ramit.prasad@jpmorgan.com>
Subject RE: Extracting elements over multiple lists?
Date 2011-11-15 17:01 +0000
References <b9e53a75-7490-4b6a-844a-20cfce263939@a12g2000vbz.googlegroups.com> <j995eq$vr9$1@news.univ-fcomte.fr> <cf007146-3a08-44c4-bf01-d1a9253c83e3@o19g2000vbk.googlegroups.com> <4EB828B3.1020509@sequans.com>
Newsgroups comp.lang.python
Message-ID <mailman.2733.1321376515.27778.python-list@python.org> (permalink)

Show all headers | View raw

>>for x in a, b, c:
>>    del x[0]
>for arr in [a,b,c]:
>  arr.pop(0)

>(Peter's "del" solution is quite close, but I find the 'del' statement 
>tricky in python and will mislead many python newcomers)

Can you expand on why 'del' is "tricky"/misleading?

Ramit


Ramit Prasad | JPMorgan Chase Investment Bank | Currencies Technology
712 Main Street | Houston, TX 77002
work phone: 713 - 216 - 5423

--

This email is confidential and subject to important disclaimers and
conditions including on offers for the purchase or sale of
securities, accuracy and completeness of information, viruses,
confidentiality, legal privilege, and legal entity disclaimers,
available at http://www.jpmorgan.com/pages/disclosures/email.

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Extracting elements over multiple lists? JoeM <josephmeiring@gmail.com> - 2011-11-07 09:12 -0800
  Re: Extracting elements over multiple lists? John Gordon <gordon@panix.com> - 2011-11-07 17:37 +0000
  Re: Extracting elements over multiple lists? Laurent Claessens <moky.math@gmail.com> - 2011-11-07 18:44 +0100
    Re: Extracting elements over multiple lists? JoeM <josephmeiring@gmail.com> - 2011-11-07 10:01 -0800
      Re: Extracting elements over multiple lists? John Gordon <gordon@panix.com> - 2011-11-07 18:22 +0000
        Re: Extracting elements over multiple lists? Terry Reedy <tjreedy@udel.edu> - 2011-11-07 19:06 -0500
      Re: Extracting elements over multiple lists? Peter Otten <__peter__@web.de> - 2011-11-07 19:33 +0100
      Re: Extracting elements over multiple lists? Jean-Michel Pichavant <jeanmichel@sequans.com> - 2011-11-07 19:51 +0100
      Re: Extracting elements over multiple lists? Dave Angel <d@davea.name> - 2011-11-07 15:06 -0500
      Re: Extracting elements over multiple lists? Laurent Claessens <moky.math@gmail.com> - 2011-11-08 08:07 +0100
      RE: Extracting elements over multiple lists? "Prasad, Ramit" <ramit.prasad@jpmorgan.com> - 2011-11-15 17:01 +0000
        Re: Extracting elements over multiple lists? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-11-15 22:21 +0000
      Re: Extracting elements over multiple lists? Dave Angel <d@davea.name> - 2011-11-15 13:17 -0500
      Re: Extracting elements over multiple lists? Chris Angelico <rosuav@gmail.com> - 2011-11-16 06:53 +1100
        Re: Extracting elements over multiple lists? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-11-15 22:25 +0000
          Re: Extracting elements over multiple lists? Chris Angelico <rosuav@gmail.com> - 2011-11-16 09:54 +1100
    Re: Extracting elements over multiple lists? Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2011-11-07 19:06 +0100

csiph-web