擅长:python、mysql、java
<p>使用<a href="http://docs.python.org/library/copy.html?highlight=deepcopy#copy.deepcopy" rel="nofollow">deepcopy</a></p>
<blockquote>
<p>Return a deep copy of x.</p>
</blockquote>
<pre><code>from copy import deepcopy
original_list = [Object1(), Object2(), Object3()]
copy_list = deepcopy(original_list)
original_list.pop()
</code></pre>
<p>但是请注意,在您的情况下,切片会工作得更快:</p>
<pre><code>copy_list = original_list[:]
</code></pre>