擅长:python、mysql、java
<p>有一种方法:</p>
<pre><code>from operator import itemgetter
authors = [
{'id': 1, 'name': 'Grace Hopper'},
{'id': 2, 'name': 'Karl Marx'}
]
print(', '.join(map(itemgetter('name'), authors))) # -> Grace Hopper, Karl Marx
</code></pre>