Re: [Python-ideas] Operator for inserting an element into a list

On Tue, Jun 12, 2018 at 4:43 PM Mikhail V <mikhailwas@gmail.com> wrote:

inserting in the beginning of the list may be also not rare.

Inserting in the beginning of a list is *slow* and should be rare. If you want to append to the left-side of a list, you should use a deque. Check out ``collections.deque`` for your insert(0, x) needs.