how to remove \n in the list

Yves Dorfsman yves at
Mon Apr 14 23:55:55 EDT 2008

Gabriel Genellina wrote:
> En Mon, 14 Apr 2008 01:41:55 -0300, reetesh nigam 

>> l=['5\n', '2\n', '7\n', '3\n', '6\n']
>> how to remove \n from the given list
> l is is very poor name... I'll use lines instead:
> lines[:] = [line.rstrip('\n') for line in lines]

When I saw the original message, I immediately thought:

k = [x.strip() for x in l]

What is the point of the [:] after lines ? How different is it with or 
without it ?


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