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Re: Conversion of List of Tuples

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From Chris Kaynor <ckaynor@zindagigames.com>
Date Mon, 3 Dec 2012 12:10:02 -0800
Subject Re: Conversion of List of Tuples
To subhabangalore@gmail.com
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On Mon, Dec 3, 2012 at 11:58 AM,  <subhabangalore@gmail.com> wrote:
> Dear Group,
>
> I have a tuple of list as,
>
> tup_list=[(1,2), (3,4)]
> Now if I want to covert as a simple list,
>
> list=[1,2,3,4]
>
> how may I do that?
>
> If any one can kindly suggest? Googling didn't help much.

If you know they are always exactly two levels deep, you can use
nested loops (in comprehension form):
[item for tuple_ in list_ for item in tuple_]

That could also be written how John recommended, in three lines.

>
> Regards,
> Subhabrata.
> --
> http://mail.python.org/mailman/listinfo/python-list

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Conversion of List of Tuples subhabangalore@gmail.com - 2012-12-03 11:58 -0800
  Re: Conversion of List of Tuples John Gordon <gordon@panix.com> - 2012-12-03 20:04 +0000
    Re: Conversion of List of Tuples MRAB <python@mrabarnett.plus.com> - 2012-12-03 20:13 +0000
    Re: Conversion of List of Tuples Chris Angelico <rosuav@gmail.com> - 2012-12-04 07:17 +1100
  Re: Conversion of List of Tuples Chris Kaynor <ckaynor@zindagigames.com> - 2012-12-03 12:10 -0800
  Re: Conversion of List of Tuples subhabangalore@gmail.com - 2012-12-03 13:14 -0800
    Re: Conversion of List of Tuples John Gordon <gordon@panix.com> - 2012-12-03 22:02 +0000
    Re: Conversion of List of Tuples Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-12-03 22:11 +0000
      Re: Conversion of List of Tuples Walter Hurry <walterhurry@lavabit.com> - 2012-12-03 22:43 +0000
  Re: Conversion of List of Tuples Gary Herron <gherron@digipen.edu> - 2012-12-03 12:08 -0800
  Re: Conversion of List of Tuples Alexander Blinne <news@blinne.net> - 2012-12-04 10:44 +0100
    Re: Conversion of List of Tuples Hans Mulder <hansmu@xs4all.nl> - 2012-12-04 12:45 +0100
      Re: Conversion of List of Tuples Neil Cerutti <neilc@norwich.edu> - 2012-12-04 13:54 +0000

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