[Tutor] s.insert(i, x) explanation in docs for Python 3.4 confusing to me
Alan Gauld
alan.gauld at btinternet.com
Sat Jan 16 18:56:43 EST 2016
On 16/01/16 22:39, boB Stepp wrote:
> So in this model of understanding negative list indexing, should it be:
>
> mylist = [ 100, 200, 300, 400, 500 ]
> ^ ^ ^ ^ ^ ^
> -5 -4 -3 -2 -1 ?
>
> Well, it has to be this; otherwise, the off-by-one error exist. This
> also continues to explain why
>
> mylist.insert(-1, x)
>
> inserts x *before* 500. But in this model, what should go in the place of "?"?
-0
--
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
Follow my photo-blog on Flickr at:
http://www.flickr.com/photos/alangauldphotos
More information about the Tutor
mailing list