<pre><code>def value(x):
s = "Since 2012, Champion Data has boxed players in five categories, ranging from 'elite' to 'poor', based on a complicated formula assessing their most recent form. Players who have yet to debut, played only sparingly or are returning from long-term injuries (less than 10 games in two seasons) are placed in a sixth category named, appropriately, '?'. "
</code></pre>
<p>目的是将文本中参数<code>x</code>不同出现次数的索引相加,除以出现次数,再除以文本长度。
我试了无数次,但似乎还没弄明白。你知道吗</p>