擅长:python、mysql、java
<p>您可以使用<a href="https://docs.python.org/3.5/library/collections.html#collections.Counter" rel="nofollow noreferrer">^{<cd1>}</a>,它类似于<code>dict</code>对象,其中值是计数:</p>
<pre><code>>>> from collections import Counter
>>> candidates = 'Jack, Joe, Ben'
>>> votes = Counter({x.strip(): 0 for x in candidates.split(',')})
</code></pre>
<p>投票方式如下:</p>
<pre><code>>>> votes['Jack'] += 1
>>> votes['Jack'] += 1
>>> votes['Ben'] += 1
</code></pre>
<p>和<a href="https://docs.python.org/3.5/library/collections.html#collections.Counter.most_common" rel="nofollow noreferrer">^{<cd3>}</a>可用于确定获胜者:</p>
<pre><code>>>> votes.most_common(1)
[('Jack', 2)]
</code></pre>