第一节: Jsoup 查找 DOM 元素 getElementById(String id) 根据 id 来查询 DOM getElementsByTag(String tagName) 根据 tag 名称来查询 DOM getElementsByClass(String className) 根据样式名称来查询 DOM getElementsByAttribute(String key) 根据属性名来查询 DOM getElementsByAttributeValue(String key,S…
一.查找数列重复元素---count() >>> list = [,,,,,,,,,,,] >>> set = set(list) >>> for item in set: print("the %d has found %d" %(item,list.count(item))) #输出 #the has found #the has found #the has found #the has found 二.查找重复元素,使用 C…