擅长:python、mysql、java
<p>你在编辑中几乎做到了:</p>
<pre><code>def f(lst):
return [t.strip() for t in lst[0].split(',')] if len(lst) == 1 else lst
>>> a = ['group1', 'group2', 'group3','group4']
>>> b = ['group1,group2, group3, group4']
>>> f(a)
['group1', 'group2', 'group3', 'group4']
>>> f(b)
['group1', 'group2', 'group3', 'group4']
</code></pre>