擅长：python、mysql、java
<pre><code>url = 'http://mbox.dr-chuck.net/sakai.devel/1/2'
data = urllib.urlopen(url).readlines()
for line in data:
if line.startswith('From'):
print (line)
</code></pre>
<p>输出：</p>
<pre><code>From news@gmane.org Tue Mar 04 03:33:20 2003
From: "Glenn R. Golden" <ggolden@umich.edu>
</code></pre>
<p>使用<code>readlines()</code>获取文件中的每一行</p>
<p>使用<code>startswith()</code>获取以<code>From</code>开头的行</p>
