Issue with my code

Newsgroups	comp.lang.python
Date	2013-02-05 10:38 -0800
Message-ID	<2b0eb097-e575-4d6d-a509-f4c6bd58c934@googlegroups.com> (permalink)
Subject	Issue with my code
From	maiden129 <sengokubasarafever@gmail.com>

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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'

I wanted to show like this:

Example:

Enter a string: 3233456

3 occurs 3
2 occurs 1
4 occurs 1
5 occurs 1
6 occurs 1

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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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