existed = os.path.exists(OUT)
But the years before seem to still inspire some people. Check out the Beagle Bros Repository – the homepage is a bit confusing (I think it prominently shows last-updated or last-added things for some reason?), but just use the nav at the top. Maybe it will inspire you, too.
，更多细节参见旺商聊官方下载
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
// console.log(canSeePersonsCount([10,6,8,5,11,9])); // 输出 [3,1,2,1,1,0]（正确）