擅长:python、mysql、java
<p>您发布的代码是<a href="http://docs.python.org/tutorial/datastructures.html#list-comprehensions" rel="nofollow">"List Comprehension"</a></p>
<p>这意味着:</p>
<pre><code>diffList = []
for key in set(dict1n.keys() + dict2.keys()):
if dict1.get(key) != dict2t.get(key):
diffList.append(key)
</code></pre>