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it fails when all elements are not list. (e.g. lst=[1, [2,3]]). of course integer is not iterable.

Sajad.sni
– Sajad.sni

2020-09-08 08:32:47 +00:00
Commented Sep 8, 2020 at 8:32
2

also, mind that list of strings will be flattened to a list of characters

viddik13
– viddik13

2020-10-30 02:05:13 +00:00
Commented Oct 30, 2020 at 2:05
1

I'd reverse the answer, emphasizing collapse over flatten (leaving it for special case of pure lists of lists).

mirekphd
– mirekphd

2023-04-19 19:23:24 +00:00
Commented Apr 19, 2023 at 19:23

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