擅长:python、mysql、java
<p>是的,当然有可能。例如:</p>
<pre><code># read file into array of lines
lines = open("data.txt").readlines()
# sort those lines using a lambda
lines.sort(key = lambda line : line.split("\t")[2])
</code></pre>
<p>lambda从要用作排序键的行中挤出<code>SPENT</code>列</p>