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Re: Increase value in hash table

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Date Tue, 22 Jan 2013 23:34:56 -0800
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Subject Re: Increase value in hash table
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On Jan 22, 2013 11:31 PM, "moonhkt" <moonhkt@gmail.com> wrote:
>
> Hi Al
>
> I have Data file have below
>
> Data file
> V1
> V2
> V3
> V4
> V4
> V3
>
> How to using count number of data ?
>
> Output
> V1 = 1
> V2 = 1
> V3 =2
> V4 = 2

Construct a frequency table using collections.Counter:

http://docs.python.org/2.7/library/collections.html#collections.Counter

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Thread

Increase value in hash table moonhkt <moonhkt@gmail.com> - 2013-01-22 23:26 -0800
  Re: Increase value in hash table Chris Rebert <clp2@rebertia.com> - 2013-01-22 23:34 -0800
    Re: Increase value in hash table moonhkt <moonhkt@gmail.com> - 2013-01-23 01:23 -0800
  Re: Increase value in hash table Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-01-23 10:12 +0000
    Re: Increase value in hash table Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-23 10:47 +0000
      Multiple postings [was Re: Increase value in hash table] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-23 21:54 +1100
        Re: Multiple postings [was Re: Increase value in hash table] rusi <rustompmody@gmail.com> - 2013-01-23 06:00 -0800
    Re: Increase value in hash table Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-23 10:46 +0000
    Re: Increase value in hash table Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-23 10:46 +0000
    Re: Increase value in hash table Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-01-23 10:47 +0000
  Re: Increase value in hash table moonhk <moonhkt@gmail.com> - 2013-01-23 23:33 +0800
    Re: Increase value in hash table moonhkt <moonhkt@gmail.com> - 2013-01-23 07:39 -0800
      Re: Increase value in hash table Dave Angel <d@davea.name> - 2013-01-23 17:35 -0500
  Re: Increase value in hash table Vito De Tullio <vito.detullio@gmail.com> - 2013-01-24 19:30 +0100

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