擅长:python、mysql、java
<p>您应该在某处连接字符串/列表(“。join或str.格式但我觉得你看起来像:</p>
<pre><code>>>> OldList = [1000, 2000, 3000, 4000, 5000]
>>> def f(x):
... return x*2
...
>>> OldList = [1000, 2000, 3000, 4000, 5000]
>>> NewList = [f("listfile/" + str(i)) for i in OldList]
>>> NewList
['listfile/1000listfile/1000', 'listfile/2000listfile/2000', 'listfile/3000listfile/3000', 'listfile/4000listfile/4000', 'listfile/5000listfile/5000']
</code></pre>