擅长:python、mysql、java
<p>您可以通过列表理解总结每个提供程序的发生检查,并将结果列表写入<code>data['validEmailDomain']</code>:</p>
<pre><code>providers = ['gmail', 'aol', 'outlook', 'hotmail', 'yahoo']
data['validEmailDomain'] = [np.sum([p in e for p in providers]) for e in data['emailDomain'].values]
</code></pre>