What method is fastest and most commonly used for appending elements in the list?

Question

I am wondering which method (append(), extend(), insert() or "+" operator) is fastest and mostly used nowadays in development. I use append() method, but I read an article in which written that extend() is faster. I would be glad to hear what's the SoloLearn community thinks about it.
Thanks in advance.

Answer 1

append() is only one element add in end of list..

extend() is more then one element add in end of list...

insert is add a element in first, last,center(any) position....

every method is used to every purposes...