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Re: How to check for single character change in a string?

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On 24 December 2011 16:10, Roy Smith <roy@panix.com> wrote:
> In article <roy-AAAEEA.10571424122011@news.panix.com>,
>  Roy Smith <roy@panix.com> wrote:
>
>> >>> len([x for x in zip(s1, s2) if x[0] != x[1]])
>
> Heh, Ian Kelly's version:
>
>> sum(a == b for a, b in zip(str1, str2))
>
> is cleaner than mine.  Except that Ian's counts matches and the OP asked
> for non-matches, but that's an exercise for the reader :-)

Here's a variation on the same theme:

sum(map(str.__ne__, str1, str2))

-- 
Arnaud

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How to check for single character change in a string? tinnews@isbd.co.uk - 2011-12-24 15:26 +0000
  Re: How to check for single character change in a string? Roy Smith <roy@panix.com> - 2011-12-24 10:57 -0500
    Re: How to check for single character change in a string? Roy Smith <roy@panix.com> - 2011-12-24 11:10 -0500
      Re: How to check for single character change in a string? Arnaud Delobelle <arnodel@gmail.com> - 2011-12-24 17:09 +0000
        Re: How to check for single character change in a string? Rick Johnson <rantingrickjohnson@gmail.com> - 2011-12-24 10:22 -0800
      Re: How to check for single character change in a string? tinnews@isbd.co.uk - 2011-12-26 22:37 +0000
  Re: How to check for single character change in a string? Ian Kelly <ian.g.kelly@gmail.com> - 2011-12-24 08:57 -0700

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