擅长:python、mysql、java
<p>下面是如何使用<a href="https://docs.python.org/3.8/library/collections.html#collections.Counter" rel="nofollow noreferrer">Counter()</a>:</p>
<pre><code>from collections import Counter
count = Counter(a + b + c + d + e) # Add all lists together, and then count them
</code></pre>
<p><strong>注意:</strong>您必须首先将输入转换为列表。下面是如何做到这一点的(根据您的输入-您可以将<code>", "</code>更改为您想要的任何内容):</p>
<pre><code>print('Each class has five students.')
a=input('Enter the first class students. ').split(", ")
b=input('Enter the second class students. ').split(", ")
c=input('Enter the third class students. ').split(", ")
d=input('Enter the fourth class students. ').split(", ")
e=input('Enter the fith class students. ').split(", ")
</code></pre>