擅长:python、mysql、java
<p>您可以将数据导入基于词典的结构,即针对每个艺术家和歌曲:</p>
<pre><code>data = {artist_name: {song_name: {'year': year, 'uid': uid},
... },
...}
</code></pre>
<p>然后在输出时,使用<code>sorted</code>按字母顺序获取它们:</p>
<pre><code>for artist in sorted(data):
for song in sorted(data[artist]):
# use data[artist][song] to access details
</code></pre>