Cluster & Border Point Definition: The map is divided into clusters, and border points are identified using the Ford-Fulkerson based method.
Владимир Бабушкин (Вася Бриллиант)
，这一点在服务器推荐中也有详细论述
Фото: Nirat.pix / Reuters，推荐阅读51吃瓜获取更多信息
next_a = soup.select_one("a.next")