擅长:python、mysql、java
<p><code>'Bob</code>来自哪里</p>
<pre><code>>>> {
fave: [name for name in orig_dict.keys() if fave in orig_dict[name]]
for faves in orig_dict.values() for fave in faves
}
{'harry potter': ['yossi', 'adam'], 'lilo and stich': ['yossi'], 'catch-22': ['adam']}
</code></pre>