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Re: Break and Continue: While Loops

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From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Subject Re: Break and Continue: While Loops
Date Thu, 23 Jun 2016 21:39:25 +1000
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On Thu, Jun 23, 2016 at 8:15 PM, BartC <bc@freeuk.com> wrote:
> Actually pretty much any expression can be used, because Python can
> interpret almost anything as either True or False. Don't ask for the rules
> because they can be complicated, but for example, zero is False, and any
> other number is True. I think.

The rules are very simple. Anything that represents "something" is
true, and anything that represents "nothing" is false. An empty
string, an empty list, an empty set, and the special "None" object
(generally representing the absence of some other object) are all
false. A string with something in it (eg "Hello"), a list with
something in it (eg [1,2,4,8]), etc, etc, are all true.

ChrisA

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Thread

Break and Continue: While Loops Elizabeth Weiss <cake240@gmail.com> - 2016-06-22 21:17 -0700
  Re: Break and Continue: While Loops Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-22 21:49 -0700
    Re: Break and Continue: While Loops Elizabeth Weiss <cake240@gmail.com> - 2016-06-26 12:08 -0700
  Re: Break and Continue: While Loops Rustom Mody <rustompmody@gmail.com> - 2016-06-22 22:05 -0700
    Re: Break and Continue: While Loops Elizabeth Weiss <cake240@gmail.com> - 2016-06-26 12:09 -0700
  Re: Break and Continue: While Loops DFS <nospam@dfs.com> - 2016-06-23 01:20 -0400
    Re: Break and Continue: While Loops Elizabeth Weiss <cake240@gmail.com> - 2016-06-26 12:09 -0700
  Re: Break and Continue: While Loops Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-06-23 18:28 +1000
  Re: Break and Continue: While Loops alister <alister.ware@ntlworld.com> - 2016-06-23 09:53 +0000
  Re: Break and Continue: While Loops BartC <bc@freeuk.com> - 2016-06-23 11:15 +0100
    Re: Break and Continue: While Loops Chris Angelico <rosuav@gmail.com> - 2016-06-23 21:39 +1000
      Re: Break and Continue: While Loops Jon Ribbens <jon+usenet@unequivocal.co.uk> - 2016-06-23 11:57 +0000
        Re: Break and Continue: While Loops Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-26 00:32 -0700
          Re: Break and Continue: While Loops Steven D'Aprano <steve@pearwood.info> - 2016-06-26 22:18 +1000
      Re: Break and Continue: While Loops BartC <bc@freeuk.com> - 2016-06-23 16:52 +0100
        Re: Break and Continue: While Loops Chris Angelico <rosuav@gmail.com> - 2016-06-24 02:23 +1000
        Re: Break and Continue: While Loops pdorange@pas-de-pub-merci.mac.com (Pierre-Alain Dorange) - 2016-06-24 09:53 +0200
  Re: Break and Continue: While Loops John Gordon <gordon@panix.com> - 2016-06-23 17:34 +0000
  Re: Break and Continue: While Loops Elizabeth Weiss <cake240@gmail.com> - 2016-06-26 12:42 -0700
    Re: Break and Continue: While Loops Quivis <quivis@domain.invalid> - 2016-06-28 23:32 +0000

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