擅长:python、mysql、java
<p>不知道清洁剂,但还有另一个选择:</p>
<pre><code>for (op, code) in zip(s[0::2], s[1::2]):
print op, code
</code></pre>
<p>无副本版本:</p>
<pre><code>from itertools import izip, islice
for (op, code) in izip(islice(s, 0, None, 2), islice(s, 1, None, 2)):
print op, code
</code></pre>