lists - append - unique and sorted

[Dan Bishop]

On Jun 6, 10:26 am, rhXX <rh00... at gmail.com> wrote:
> hi,
>
> can i append a item to a list using criterias:
>
> - UNIQUE - if there already exist don't append
>
> and/or
>
> - SORTED - INSERT in the correct place using some criteria?
>
> tks in advance

If you don't need the list to be sorted until you're done building it,
you can just use:

lst = sorted(set(lst))