擅长:python、mysql、java
<p>如果只需要计数,请使用<code>collections.Counter</code>,然后使用<code>collections.defaultdict</code>分割结果:</p>
<pre><code>counts = defaultdict(dict)
for piece, count in Counter(board.values()).items():
counts[piece[0]][piece[1:]] = count
</code></pre>