擅长:python、mysql、java
<p>如果要按作者获取书籍,则需要构建另一个查找作者->;书籍:</p>
<pre><code>import collections
books_by_author = collections.defaultdict(list)
for b in booklist:
books_by_author[d['author']].append(b)
# and then
books_by_Chinua_Achebe = books_by_author['Chinua Achebe']
</code></pre>
<p>此链接可能有助于从词典开始:<a href="https://realpython.com/python-dicts/" rel="nofollow noreferrer">https://realpython.com/python-dicts/</a></p>