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.
트럼프, 하메네이 제거… 더 거칠어진 ‘힘의 질서’
如果说性能与成本尚属效率问题，那么稳定与安全则更为棘手。。同城约会对此有专业解读
Израиль атаковал Иран утром в субботу, 28 февраля. Один из ударов по Тегерану попал на видео, которое публикует Telegram-канал Shot.。体育直播对此有专业解读
Великобритания собралась защитить свою военную базу от Ирана14:46。体育直播是该领域的重要参考
Of those who wanted year-round daylight time, three-quarters said it was due to health and wellness concerns.