擅长:python、mysql、java
<p>修改之前的答案,以便仅使用带“weekly”的值:</p>
<pre><code>>>> my_dict = {'fern':'weekly', 'shamrock':'weekly', 'carnation':'weekly', 'daffodil': 'monthly'}
>>> sorted(k for k, v in my_dict.items() if v == 'weekly')
['carnation', 'fern', 'shamrock']
</code></pre>