擅长:python、mysql、java
<p>可能是这样的:</p>
<pre><code>targets = ".,'"
a = "I'll buy paper,pen and beg"
punct = [ (i, c) for i, c in enumerate (a) if c in targets]
nopunct = [c for c in a if c not in targets][::-1]
for i, c in punct: nopunct.insert (i, c)
b = ''.join (nopunct)
print (a)
print (b)
</code></pre>
<p>这个指纹</p>
<pre><code>g'eb dna nepre,pap yub llI
I'll buy paper,pen and beg
</code></pre>
<p>或者将目标更改为只打印<code>.,</code></p>
<pre><code>geb dna neprep,ap yub ll'I
I'll buy paper,pen and beg
</code></pre>