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Date: Sun, 21 Aug 2011 01:03:05 +1000
From: John O'Hagan <research@johnohagan.com>
To: python-list@python.org
Subject: Re: Compare tuples of different lenght
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On Sat, 20 Aug 2011 01:25:18 -0700 (PDT)
Jurgens de Bruin <debruinjj@gmail.com> wrote:

> Hi,
> 
> I have a list of tuples:
> 
> [(2,),(12,13),(2,3,4),(8,),(5,6),(7,8,9),]
> 
> I would like to compare all the tuples to each other and if one
> element if found two tuples the smallest tuples is removed from the
> list.
[...]

This should work:

def long_match(tuples):
    sorted_tuples = sorted(tuples, key=len)
    for n, t in enumerate(sorted_tuples):
        for s in sorted_tuples[n + 1:]:
            if len(s) > len(t) and any(i in s for i in t):    
                tuples.remove(t)
                break
    return tuples 
 

Regards,

John