擅长:python、mysql、java
<pre><code>import re
rgexpress = re.compile(r'\s\s\d\d?.\d\d\d+\s+ms')
sum = 0
count = 0
with open("new2") as f:
for line in f:
result = rgexpress.search(line)
if result:
sum += float(result.group(0))
count += 1
print(sum/count)
</code></pre>
<p>我希望编辑的版本更好。你知道吗</p>