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

[Michael Selik]

On Tue, Jun 12, 2018 at 4:43 PM Mikhail V <mikhailwas at 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.
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