擅长:python、mysql、java
<p>您可以使用字典理解:</p>
<pre><code>vowels = ['a', 'e', 'i', 'o', 'u']
wordlist = ['big', 'cats', 'like', 'really']
new_words = ''.join(wordlist)
new_counts = {i:sum(i == a for a in new_words) for i in vowels}
</code></pre>
<p>输出:</p>
^{pr2}$