[Tutor] how to print a message backwards
Robert Berman
bermanrl at cfl.rr.com
Thu Sep 24 04:09:50 CEST 2009
Thank you for the clear explanation.
Robert
On Wed, 2009-09-23 at 23:40 +0000, ALAN GAULD wrote:
> > Is there a significant difference in speed, style, or any pythonesque
> > reasoning between Alan's solution and
> > print message[::-1]
>
>
> Yes, the for loop doing one character at a time will be much
> slower than using a slice. The slice is more pythonic but less general.
> A reverse loop is something that is often needed in programming
> solutions so it's useful to know how to do it for the general case.
> But where the data can be sliced that will be faster and more
> concise.
>
> Alan G.
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