擅长:python、mysql、java
<p>只需在dict的值上循环并将其写入文件。<br/>
不需要外部库</p>
<pre><code>dic = {'a': ['ACI', 'BBY', 'AMRX'], 'b': ['ABM', 'AG']}
with open('out.csv', 'w') as f:
for key, values in dic.items():
f.write(key + ',' + ','.join(values) + '\n')
</code></pre>
<p>out.csv</p>
<pre><code>a,ACI,BBY,AMRX
b,ABM,AG
</code></pre>