擅长:python、mysql、java
<p>最后我做了以下几点(在看到两个新答案之前):</p>
<pre><code>final_list = []
for i in range(0, len(list_a)):
d = {}
userid_two = ''
d['username'] = list_a[i]['username']
for j in range(0, len(list_b)):
if d['username'] == list_b[j]['username']:
userid_two = list_b[j]['userid']
d['userid_two'] = userid_two
d['userid_one'] = list_a[i]['userid']
final_list.append(d)
</code></pre>
<p>它看起来很接近最近的答案,但我不知道什么是最好的方式做这件事</p>