擅长:python、mysql、java
<p>标准库中一个非常不受重视的gem是<code>difflib</code>。。。在</p>
<pre><code>>>> import difflib
>>> s = difflib.SequenceMatcher(None, "GHSKWITNIFSI", "GHSKWAGDITNIFSI")
>>> s.get_matching_blocks()[:-1]
[(0, 0, 5), (5, 8, 7)]
>>> s = difflib.SequenceMatcher(None, "GHSKWITNIFSI", "GHSKWITNIFSI")
>>> s.get_matching_blocks()[:-1]
[(0, 0, 12)]
</code></pre>