擅长:python、mysql、java
<pre><code>import operator
data = [
['Mary Smith', 1],
['Juan Lopez', 5],
['Leslie Liu', 11],
['Tatiana Ivanov', 15],
['Andre Leroy', 11],
['Sam Augusta', 7],
['Adalbert Weber', 1],
]
data.sort(key = operator.itemgetter(1))
for sub in data:
print(sub)
</code></pre>
<p>印刷品</p>
<pre><code>['Mary Smith', 1]
['Adalbert Weber', 1]
['Juan Lopez', 5]
['Sam Augusta', 7]
['Leslie Liu', 11]
['Andre Leroy', 11]
['Tatiana Ivanov', 15]
</code></pre>
<p>虽然不是很清楚,但是操作符函数应该比等价的lambda快。还有<code>attrgetter</code>。当键应该是多个项的元组时,两者都可以使用。你知道吗</p>