擅长:python、mysql、java
<p>或者,这会给你第一个词:</p>
<pre><code>>>> names = ["Katie von Martin", "Bob Austin Marley", "John Travolta", "Josh Hartnett"]
>>> first_words = [words.split()[0] for words in names]
>>> print first_words
['Katie', 'Bob', 'John', 'Josh']
</code></pre>