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.
Martín Satriano’s superb first-half volley earned Getafe a shock 1-0 victory at Real Madrid in La Liga on Monday, a result that left Barcelona four points clear at the top.
刚柔并济，司法追求的是双赢共赢的格局。。体育直播对此有专业解读
Трамп определил приоритетность Украины для США20:32，详情可参考51吃瓜
第二百零五条 提出共同海损分摊请求的一方应当承担举证责任，证明其损失应当列入共同海损。
Looking back now, that pivot wasn’t a do-or-die gamble.。wps下载对此有专业解读