擅长:python、mysql、java
<p>请尝试以下代码:</p>
<pre><code>with open(OUT_FILE, 'w', newline='') as outputfile:
with open(FEED_FILE, newline='') as feed:
writer = csv.writer(outputfile, delimiter=',', quotechar='"')
reader = csv.reader(feed, delimiter=',', quotechar='"')
for row in reader:
row[3] = sorted(list(row[3].split(',')))
writer.writerow(row)
</code></pre>