擅长:python、mysql、java
<p>您可能希望使用列表理解:</p>
<pre><code>orig_list = [1,2,3,4]
[(entry, 3) for entry in orig_list if entry != 3] # [(1, 3), (2, 3), (4, 3)]
</code></pre>
<p>如果您对重复值不感兴趣,可以将其设置为一个集合:</p>
<pre><code>orig_list = set([1,2,3,4])
[(entry, 3) for entry in orig_list if entry != 3] # [(1, 3), (2, 3), (4, 3)]
</code></pre>