擅长:python、mysql、java
<p>尝试用<a href="https://docs.python.org/3/library/functions.html#sorted" rel="nofollow noreferrer">^{<cd2>}</a>指定排序<code>key</code></p>
<pre><code>from datetime import datetime
my_list = [["10/15/2018", "John"], ["10/12/2019", "Beth"], ["9/15/2018", "Cory"]]
print(sorted(my_list, key=lambda x: datetime.strptime(x[0], '%m/%d/%Y')))
# [['9/15/2018', 'Cory'], ['10/15/2018', 'John'], ['10/12/2019', 'Beth']]
</code></pre>