qiita.com データのある年抽出 import requests from bs4 import BeautifulSoup headers = { "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko" } r = requests.get( "http://www1.river.go.jp/cgi-bin/SrchWaterData…