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Date: Tue, 30 Apr 2013 19:42:35 +0100
Subject: Re: how to compare two fields in python
From: =?ISO-8859-1?Q?F=E1bio_Santos?= <fabiosantosart@gmail.com>
To: upendra kumar Devisetty <upendrakumar.devisetty@googlemail.com>
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> The data was sorted and so duplicates will not appear anywhere in the
dataframe.
>

I guess that's it. Use the standard csv module and itertools.groupby.
Groupby will produce a list of grouped objects. So you can group by the
first column by supplying a key function which just returns the first
column.

Check this out for an example:
http://stackoverflow.com/questions/773/how-do-i-use-pythons-itertools-groupby(most
upvoted answer)

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<p dir="ltr">&gt; The data was sorted and so duplicates will not appear anywhere in the dataframe.<br>
&gt; </p>
<p dir="ltr">I guess that&#39;s it. Use the standard csv module and itertools.groupby. Groupby will produce a list of grouped objects. So you can group by the first column by supplying a key function which just returns the first column.</p>

<p dir="ltr">Check this out for an example: <a href="http://stackoverflow.com/questions/773/how-do-i-use-pythons-itertools-groupby">http://stackoverflow.com/questions/773/how-do-i-use-pythons-itertools-groupby</a> (most upvoted answer)</p>


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