擅长:python、mysql、java
<p>您可以使用itertools.chain<a href="https://docs.python.org/3/library/itertools.html" rel="nofollow noreferrer">https://docs.python.org/3/library/itertools.html</a>。我想这对你的情况很合适</p>
<pre><code>import itertools
ds = [['N','R','T'],['S','R','A'],['S','A']]
print(list(itertools.chain(*ds)))
</code></pre>