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Groups > comp.lang.python > #38216

Re: Issue with my code

From marduk <marduk@python.net>
References <2b0eb097-e575-4d6d-a509-f4c6bd58c934@googlegroups.com>
Subject Re: Issue with my code
Date 2013-02-05 13:56 -0500
Newsgroups comp.lang.python
Message-ID <mailman.1379.1360090617.2939.python-list@python.org> (permalink)

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On Tue, Feb 5, 2013, at 01:38 PM, maiden129 wrote:
> Hi,
> 
> I'm trying to create this program that counts the occurrences of each
> digit in a string which the user have to enter.
> 
> Here is my code:
> 
> s=input("Enter a string, eg(4856w23874): ")
> s=list(s)
> 
> checkS=['0','1','2','3','4','5','6','7','8','9']
> 
> for i in s:
>     if i in checkS:
>         t=s.count(i)
>         if t>1:
>             for k in range(1,t):
>                 s=s.remove(i)
>                 print(i, "occurs", t,"times.")
> 
>         elif t==1:
>             print(i,"occurs 1 time.")
>     else: pass
> 
> but it keeps showing this error:
> 
>  t=s.count(i)
> AttributeError: 'NoneType' object has no attribute 'count'

s=s.remove(i) does not return a new list but modifies the list  in
place.

So you probably just want

>>> s.remove(i)

Also, there are various inefficiencies in your code, but that is the
main issue with the AttributeError.

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Thread

Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 10:38 -0800
  Re: Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 10:43 -0800
  Re: Issue with my code marduk <marduk@python.net> - 2013-02-05 13:56 -0500
    Re: Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 11:20 -0800
      Re: Issue with my code Dave Angel <davea@davea.name> - 2013-02-05 14:43 -0500
        Re: Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 12:19 -0800
        Re: Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 12:19 -0800
          Re: Issue with my code darnold <darnold992000@yahoo.com> - 2013-02-05 13:37 -0800
            Re: Issue with my code marduk <marduk@python.net> - 2013-02-05 17:05 -0500
              Re: Issue with my code darnold <darnold992000@yahoo.com> - 2013-02-05 14:25 -0800
    Re: Issue with my code maiden129 <sengokubasarafever@gmail.com> - 2013-02-05 11:20 -0800
  Re: Issue with my code MRAB <python@mrabarnett.plus.com> - 2013-02-05 19:06 +0000
  Re: Issue with my code Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-02-05 17:20 -0500
  Re: Issue with my code Terry Reedy <tjreedy@udel.edu> - 2013-02-05 19:06 -0500
  Re: Issue with my code rusi <rustompmody@gmail.com> - 2013-02-05 22:29 -0800
    Re: Issue with my code rusi <rustompmody@gmail.com> - 2013-02-05 22:32 -0800

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