擅长:python、mysql、java
<pre><code>>>> mylst = ['bla,bli', 'blula', 'blabla,bloblu,blibla', 'bla']
>>> mylst = [item.split(',') for item in mylst]
>>> mylst
[['bla', 'bli'], ['blula'], ['blabla', 'bloblu', 'blibla'], ['bla']]
</code></pre>