擅长:python、mysql、java
<p>看起来您可能希望将数据保存在dict中,因为它是数字到文档名的映射,并且<code>dict</code>用于此类映射:</p>
<pre><code>data_in_a_dict = dict(array1)
# {300: 'Document1', 301: 'Document2', 302: 'Document3', 303: 'Document4',
# 304: 'Document5', 305: 'Document6', 306: 'Document7', 307: 'Document8',
# 308: 'Document9'}
</code></pre>
<p>然后,从中提取数据变得很容易:</p>
<pre><code>outputarray = [data_in_a_dict[key] for key in array2]
# ['Document2', 'Document6', 'Document7']
</code></pre>