1. 安裝Requests和BeautifulSoup及lxml
pip install beautifulsoup4 pip install requests pip install lxml
2. 撰寫程式碼：
=====以下是程式碼內容=====
$ cat yahoonews.py
#!/usr/local/bin/python3
# -*- coding: utf-8 -*-
import requests
from bs4 import BeautifulSoup
headers = {'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36'}
keywords_ids = open("newskeywordslist.txt").read().splitlines()
for keywords_id in keywords_ids:
print('\n\n搜尋關鍵字：'+keywords_id+'=======================================')
url = 'https://tw.news.yahoo.com/search?p='+keywords_id
#url = 'https://tw.news.yahoo.com/topic/2019-nCoV'
res = requests.get(url,headers=headers)
# 確認是否成功
if res.status_code == requests.codes.ok:
# 以 BeautifulSoup 解析 HTML 程式碼
soup = BeautifulSoup(res.text, 'html.parser')
stories = soup.select('a[href]')
for s in stories:
if keywords_id in s.text:
# 新聞標題
print("標題：" + s.text)
# 新聞網址
a_string = s.get('href')
substring1="yahoo"
##substring2="html"
if substring1 in a_string :
print(a_string)
else:
print('https://tw.news.yahoo.com'+a_string)
在Linux或是macOS底下，為了方便使用，第一行直接宣告環境變數，讓python程式可以和shell script有一樣的執行方式
3. 想要搜尋的關鍵字列表：
=====以下是檔名及內容格式=====
$ cat newskeywordslist.txt 新冠肺炎 武漢肺炎 川普
4. 執行結果如下：
$ ./yahoonews.py 搜尋關鍵字：新冠肺炎======================================= 標題： 新冠肺炎 https://tw.news.yahoo.com/topic/2019-nCoV 標題：新冠肺炎疫情爆發時間軸 旅遊警示全球疫情總整理 https://tw.news.yahoo.com/%E6%AD%A6%E6%BC%A2%E8%82%BA%E7%82%8E%E8%B6%85%E9%81%8Esars%E5%85%A8%E7%90%83%E7%97%85%E4%BE%8B%E6%95%B8-%E7%96%AB%E6%83%85%E7%88%86%E7%99%BC%E6%99%82%E9%96%93%E8%BB%B8-095814929.html 標題：新冠肺炎疫情看不見盡頭？台大醫師提3理由預估：台灣疫情將趨緩 https://tw.news.yahoo.com/%E6%96%B0%E5%86%A0%E8%82%BA%E7%82%8E%E7%96%AB%E6%83%85%E7%9C%8B%E4%B8%8D%E8%A6%8B%E7%9B%A1%E9%A0%AD-%E5%8F%B0%E5%A4%A7%E9%86%AB%E5%B8%AB%E6%8F%903%E7%90%86%E7%94%B1%E9%A0%90%E4%BC%B0-%E5%8F%B0%E7%81%A3%E7%96%AB%E6%83%85%E5%B0%87%E8%B6%A8%E7%B7%A9-013001722.html 標題：新冠肺炎衝擊 美股斷融後3類App下載量飆升 https://tw.news.yahoo.com/%E6%96%B0%E5%86%A0%E8%82%BA%E7%82%8E%E8%A1%9D%E6%93%8A-%E7%BE%8E%E8%82%A1%E6%96%B7%E8%9E%8D%E5%BE%8C3%E9%A1%9Eapp%E4%B8%8B%E8%BC%89%E9%87%8F%E9%A3%86%E5%8D%87-030325917.html 標題：驚！美MIT最新研究：防染新冠肺炎 至少要離8米遠 https://tw.news.yahoo.com/%E9%A9%9A%E7%BE%8Emit%E6%9C%80%E6%96%B0%E7%A0%94%E7%A9%B6%E9%98%B2%E6%9F%93%E6%96%B0%E5%86%A0%E8%82%BA%E7%82%8E-%E8%87%B3%E5%B0%91%E8%A6%81%E9%9B%A2-8-%E7%B1%B3%E9%81%A0-014248816.html 標題：【新冠肺炎即時動態】台灣最新疫情資訊一次看 https://tw.news.yahoo.com/%E4%B8%8D%E6%96%B7%E6%9B%B4%E6%96%B0%E6%8E%8C%E6%8F%A1%E6%96%B0%E5%86%A0%E8%82%BA%E7%82%8E%E7%AC%AC%E4%B8%80%E6%89%8B%E7%96%AB%E6%83%85%E8%B3%87%E8%A8%8A-105035951.html 標題：新冠肺炎引爆「蟲蟲危機」！全球最大保險套製造商：保險套短缺1億個 https://tw.news.yahoo.com/%E6%96%B0%E5%86%A0%E8%82%BA%E7%82%8E%E5%BC%95%E7%88%86-%E8%9F%B2%E8%9F%B2%E5%8D%B1%E6%A9%9F-%E5%85%A8%E7%90%83%E6%9C%80%E5%A4%A7%E4%BF%9D%E9%9A%AA%E5%A5%97%E8%A3%BD%E9%80%A0%E5%95%86-%E4%BF%9D%E9%9A%AA%E5%A5%97%E7%9F%AD%E7%BC%BA1%E5%84%84%E5%80%8B-023001743.html 標題：快訊／紐西蘭首起新冠肺炎死亡 南島75歲婦人 https://tw.news.yahoo.com/%E5%BF%AB%E8%A8%8A-%E7%B4%90%E8%A5%BF%E8%98%AD%E9%A6%96%E8%B5%B7%E6%96%B0%E5%86%A0%E8%82%BA%E7%82%8E%E6%AD%BB%E4%BA%A1-%E5%8D%97%E5%B3%B675%E6%AD%B2%E5%A9%A6%E4%BA%BA-032610828.html 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https://tw.news.yahoo.com/%E6%97%A5%E8%81%B7-%E7%B3%9F%E4%BA%86-%E8%B7%9F%E8%97%A4%E6%B5%AA-%E8%B5%B7%E7%94%A8%E9%A4%902%E5%A5%B3%E6%80%A7-%E5%90%8C%E6%99%82%E7%A2%BA%E8%A8%BA%E6%96%B0%E5%86%A0%E8%82%BA%E7%82%8E-160011268.html 搜尋關鍵字：武漢肺炎======================================= 標題：義甲因武漢肺炎停賽 祖文特斯球員教練同意減薪 https://tw.news.yahoo.com/%E7%BE%A9%E7%94%B2%E5%9B%A0%E6%AD%A6%E6%BC%A2%E8%82%BA%E7%82%8E%E5%81%9C%E8%B3%BD-%E7%A5%96%E6%96%87%E7%89%B9%E6%96%AF%E7%90%83%E5%93%A1%E6%95%99%E7%B7%B4%E5%90%8C%E6%84%8F%E6%B8%9B%E8%96%AA-025003277.html 標題：【武漢肺炎】北京「人道救援」外宣破功 中國廠商遭爆出口劣質試劑、拉抬10倍價格 https://tw.news.yahoo.com/%E6%AD%A6%E6%BC%A2%E8%82%BA%E7%82%8E-%E5%8C%97%E4%BA%AC-%E4%BA%BA%E9%81%93%E6%95%91%E6%8F%B4-%E5%A4%96%E5%AE%A3%E7%A0%B4%E5%8A%9F-%E4%B8%AD%E5%9C%8B%E5%BB%A0%E5%95%86%E9%81%AD%E7%88%86%E5%87%BA%E5%8F%A3%E5%8A%A3%E8%B3%AA%E8%A9%A6%E5%8A%91-020200629.html 標題：武漢肺炎》喵星人也會感染？防檢局：尚無證據能傳播 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