擅长:python、mysql、java
<p>要获得最常用的颜色,请使用<a href="https://docs.python.org/3/library/collections.html#collections.Counter" rel="nofollow noreferrer">^{<cd2>}</a>的<a href="https://docs.python.org/3/library/collections.html#collections.Counter.most_common" rel="nofollow noreferrer">^{<cd1>}</a>方法。第一项是最常见的:</p>
<pre><code>from collections import Counter
list_of_lists = [['White'], ['Blue'], ['Blue'], ['Black'], ['Red'], ['Red'], ['Green'], ['Green'], ['Red', 'Green'], ['White', 'Green'], ['Black', 'Red'], ['White', 'Blue'], ['Blue', 'Black'], ['White', 'Blue'], ['Blue', 'Red', 'Green']]
>>> Counter(colour for sublist in list_of_lists for colour in sublist).most_common(1)
[('Blue', 6)]
</code></pre>
<p>如果你想自己动手,你可以用字典:</p>
^{pr2}$