擅长:python、mysql、java
<p>假设您将文件读入名为<code>lines</code>的列表中</p>
<pre><code>hrs, miles = zip(*[(float(line.split()[-4]), float(line.split()[-2])) for line in lines if 'miles' and 'hrs' in line])
total_hrs = sum(hrs)
total_miles = sum(miles)
</code></pre>