擅长:python、mysql、java
<p>您可以将<em>列表理解</em>表达式写成:</p>
<pre><code>>>> my_dict = {"color": ("red", "blue", "green"), "someothercolor": ("orange", "blue", "white")}
>>> my_color = "blue"
>>> [k for k, v in my_dict.items() if my_color in v]
['color', 'someothercolor']
</code></pre>
<p>注意:不要使用<code>dict</code>作为变量,因为<a href="https://docs.python.org/2/library/stdtypes.html#dict" rel="noreferrer">^{<cd1>}</a>是Python中内置的数据类型</p>