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Re: Python solve problem with string operation

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On 16/01/2014 22:30, John Gordon wrote:
> In <mailman.5607.1389911083.18130.python-list@python.org> Nac Temha <naccttemha@gmail.com> writes:
>
>> --047d7b6d95d0367a3d04f01de490
>> Content-Type: text/plain; charset=ISO-8859-1
>
>> Hi everyone,
>
>> I want to do operation with chars in the given string. Actually I want to
>> grouping the same chars.
>
>> For example;
>
>> input : "344111133311222223377"
>> operation-> (3)(44)(1111)(333)(11)(22222)(33)(77)
>> output: "34131237"
>
> input = "344111133311222223377"
> output = []
> previous_ch = None
> for ch in input:
>      if ch != previous_ch:
>          output.append(ch)
>          previous_ch = ch
> print ''.join(output)
>

Cheat, you've used a list :)

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

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Thread

Python solve problem with string operation Nac Temha <naccttemha@gmail.com> - 2014-01-17 00:24 +0200
  Re: Python solve problem with string operation John Gordon <gordon@panix.com> - 2014-01-16 22:30 +0000
    Re: Python solve problem with string operation Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-16 22:48 +0000
      Re: Python solve problem with string operation John Gordon <gordon@panix.com> - 2014-01-16 22:58 +0000
  Re: Python solve problem with string operation giacomo boffi <pecore@pascolo.net> - 2014-01-17 01:17 +0100
    Re: Python solve problem with string operation giacomo boffi <pecore@pascolo.net> - 2014-01-17 01:38 +0100
  Re: Python solve problem with string operation Denis McMahon <denismfmcmahon@gmail.com> - 2014-01-17 00:30 +0000
  Re: Python solve problem with string operation "Rhodri James" <rhodri@wildebst.org.uk> - 2014-01-17 01:05 +0000
  Re: Python solve problem with string operation Asaf Las <roegltd@gmail.com> - 2014-01-16 17:36 -0800

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