I think if += would always have to make a copy, I would have opted to not support it for lists at all and just say .extend(), which does work in that tuple case.
На помощь российским туристам на Ближнем Востоке ушли миллиарды рублей20:47
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Literal[0], 'kw_only': Literal[True]})] for the initializer, and
Названа стоимость «эвакуации» из Эр-Рияда на частном самолете22:42
// not critical but safer when bytesToWrite != view.byteLength