黑板客爬蟲關卡之第三關

鏈接：http://www.heibanke.com/lesson/crawler_ex02 1 import requests 2 from bs4 import BeautifulSoup 3 4 url_1='http://www.heibanke.com/accounts/login' 5 url_2='http://www.heibanke.com/lesson/crawle

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