Serhiy Storchaka <storchaka+cpyt...@gmail.com> added the comment:
How often do you need to add three or more lists in comparison with other uses
of the "+" operator?
How larger is the benefit of this optimization?
How much it slows down other uses of the "+" operator?
Would be nice if you provide some numbers.
More efficient way of concatenating several lists in single expression is:
[*a, *b, *c, *d, ...]
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nosy: +serhiy.storchaka
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<https://bugs.python.org/issue38436>
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