擅长:python、mysql、java
<pre><code>from collections import Counter as c
lines = (line.strip() for line in open("file.txt"))
data = (elem for elem in lines)
result = [two for one in data for two in one.split(",")]
c = Counter()
c(result)
</code></pre>
<p>我希望我回答了你的问题</p>