擅长:python、mysql、java
<p>使用<a href="http://docs.python.org/3/library/functions.html#enumerate" rel="nofollow">^{<cd1>}</a>,<a href="http://docs.python.org/3/library/stdtypes#str.format" rel="nofollow">^{<cd2>}</a>:</p>
<pre><code>>>> elements = ['elem1','elem2','elem3']
>>> output = ['prefix_{}'.format(i) for i, elem in enumerate(elements, 1)]
>>> output
['prefix_1', 'prefix_2', 'prefix_3']
</code></pre>