擅长:python、mysql、java
<p>假设<code>tags</code>确实是一个包含(str,list)的2元组的Python列表,那么:</p>
<pre><code>tags = [('album', [u'Singles']), ('artist', [u'Led Zeppelin']), ('title', [u'Kashmir'])]
print ', '.join('{} {}'.format(el[0], el[1][0]) for el in tags)
# album Singles, artist Led Zeppelin, title Kashmir
</code></pre>