擅长:python、mysql、java
<p>要解决问题并简化代码,请尝试以下操作:</p>
<pre><code>import requests
from bs4 import BeautifulSoup
page = requests.get('https://www.blackhatworld.com/')
content = BeautifulSoup(page.content, 'html.parser')
threadtitles = content.find_all('a', class_='PreviewTooltip')
count = 0
for title in threadtitles:
if "free" in title.get_text().lower():
print(title.get_text())
else:
count += 1
print(count)
</code></pre>
<p><strong>奖金:</strong>打印<code>href</code>的值:</p>
<pre><code>for title in threadtitles:
print(title["href"])
</code></pre>
<p>另见<a href="https://stackoverflow.com/questions/5815747/beautifulsoup-getting-href">this</a>。你知道吗</p>