擅长:python、mysql、java
<p>您可以定义一个函数来解释如何进行排序:</p>
<pre><code>def sortkey(line):
# find the number after the first "line:" and convert it to an integer
return int(re.search(r"(?<=line:)\d+", line).group())
</code></pre>
<p>并将该函数传递给排序函数/方法:</p>
^{pr2}$