擅长:python、mysql、java
<p>使用<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.in1d.html" rel="nofollow noreferrer">np.in1d</a></p>
<pre><code>l = [i.replace('-','') for i in lst]
df['CN'].apply(lambda x: '-'+ np.array(l)[np.in1d(l,x.split('-'))][-1] + '-')
</code></pre>
<p><strong>输出</strong></p>
^{pr2}$