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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Sat, 16 May 2015 10:57:23 -0600
Subject: Re: Fastest way to remove the first x characters from a very long string
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On Sat, May 16, 2015 at 10:22 AM,  <bruceg113355@gmail.com> wrote:
> # Chris's Approach
> # ----------------
> lines = ss.split("\n")
> new_text = "\n".join(line[8:] for line in lines)

Looks like the approach you have may be fast enough already, but I'd
wager the generator expression could be replaced with:

    map(operator.itemgetter(slice(8, None)), lines)

for a modest speed-up. On the downside, this is less readable.
Substitute itertools.imap for map if using Python 2.x.