swapping

[Gabriel Genellina]

En Sat, 18 Aug 2007 02:58:23 -0300, Beema shafreen  
<beema.shafreen at gmail.com> escribi�:

> result:
> klp5    bub1
>
> apn1    apn2
>
> but i have do the same for the revere ,to check the result like this for
> eg:
> apn2    apn1
> what is the concept to do this

I don't understand exactly what you want to do.
If you want to transform "apn1    apn2" into "apn2    apn1", try this:

col1, col2 = line.split()
print col2,"   ",col1

-- 
Gabriel Genellina