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Re: Keeping track of things with dictionaries

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"Chris Angelico" <rosuav@gmail.com> wrote in message 
news:CAPTjJmpPAqmb6No7UDdDAdqG_jv9yz0sN4d70KAsksbwWR3jdg@mail.gmail.com...
> On Tue, Apr 8, 2014 at 7:28 PM, Frank Millman <frank@chagford.com> wrote:
>> Are you saying that
>>
>>     all([len(word) == 23 for word in words_by_length[23]])  # hope I got
>> that right
>>
>> will not return True?
>
> That'll return true. What it won't show, though, is the length of the
> word as you would understand it in the English language. You see, when
> you iterate over a file, you get strings that include a newline at the
> end, and that'll be included in the length :) So with a dictionary of
> English words, you'll see that "cat\n" is a four-letter word, and
> "python\n" is a seven-letter word. It's a subtle point, but an
> important one when you start looking at lengths of things that are
> suddenly off by one.
>
> Obviously the solution is to strip them, but I didn't want to pollute
> the example with that (nor a 'with' block). I didn't think it
> particularly important, and just acknowledged the bug in what I
> thought was a throw-away line :)
>

Got it - thanks

Frank

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Keeping track of things with dictionaries Giuliano Bertoletti <gbe32241@libero.it> - 2014-04-06 09:44 +0200
  Re: Keeping track of things with dictionaries Peter Otten <__peter__@web.de> - 2014-04-06 10:23 +0200
  Re: Keeping track of things with dictionaries Josh English <Joshua.R.English@gmail.com> - 2014-04-07 21:02 -0700
    Re: Keeping track of things with dictionaries Chris Angelico <rosuav@gmail.com> - 2014-04-08 14:08 +1000
      Re: Keeping track of things with dictionaries Josh English <Joshua.R.English@gmail.com> - 2014-04-07 23:22 -0700
    Re: Keeping track of things with dictionaries "Frank Millman" <frank@chagford.com> - 2014-04-08 09:14 +0200
      Re: Keeping track of things with dictionaries Steven D'Aprano <steve@pearwood.info> - 2014-04-08 07:47 +0000
    Re: Keeping track of things with dictionaries Ian Kelly <ian.g.kelly@gmail.com> - 2014-04-08 01:53 -0600
    Re: Keeping track of things with dictionaries Chris Angelico <rosuav@gmail.com> - 2014-04-08 18:00 +1000
    Re: Keeping track of things with dictionaries Peter Otten <__peter__@web.de> - 2014-04-08 10:21 +0200
    Re: Keeping track of things with dictionaries "Frank Millman" <frank@chagford.com> - 2014-04-08 10:26 +0200
    Re: Keeping track of things with dictionaries "Frank Millman" <frank@chagford.com> - 2014-04-08 10:31 +0200
      Re: Keeping track of things with dictionaries alex23 <wuwei23@gmail.com> - 2014-04-09 12:34 +1000
    Re: Keeping track of things with dictionaries Chris Angelico <rosuav@gmail.com> - 2014-04-08 18:35 +1000
      Re: Keeping track of things with dictionaries Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-04-09 12:43 +1200
        Re: Keeping track of things with dictionaries Chris Angelico <rosuav@gmail.com> - 2014-04-09 12:33 +1000
          Re: Keeping track of things with dictionaries alex23 <wuwei23@gmail.com> - 2014-04-09 12:45 +1000
            Re: Keeping track of things with dictionaries Ian Kelly <ian.g.kelly@gmail.com> - 2014-04-08 21:19 -0600
            Re: Keeping track of things with dictionaries Gene Heskett <gheskett@wdtv.com> - 2014-04-08 23:31 -0400
            Re: Keeping track of things with dictionaries Ian Kelly <ian.g.kelly@gmail.com> - 2014-04-08 21:37 -0600
    Re: Keeping track of things with dictionaries "Frank Millman" <frank@chagford.com> - 2014-04-08 11:28 +0200
    Re: Keeping track of things with dictionaries Chris Angelico <rosuav@gmail.com> - 2014-04-08 19:34 +1000
    Re: Keeping track of things with dictionaries "Frank Millman" <frank@chagford.com> - 2014-04-08 11:41 +0200
  Re: Keeping track of things with dictionaries Gene Heskett <gheskett@wdtv.com> - 2014-04-09 05:51 -0400

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