擅长:python、mysql、java
<p>一种方法是使用字典:</p>
<pre><code>import os
files = os.listdir('.')
seen = dict()
for filename in files:
if len(filename) > 15 and filename != 'mychoppingfile.py':
tofile = filename[:-15]
if tofile not in seen:
print filename + " -> " + filename[:-15]
seen[tofile] = 1
</code></pre>