擅长:python、mysql、java
<p>如果您需要保持原始列表不变,请尝试:</p>
<pre><code>for item in items[1:16]: # iterate through elements 1-17 (list indexes starts at 0
do stuff
if condition:
break
else: # else in for loops will be run if loop ended normally (w/o `break`)
do stuff with items[0]
</code></pre>
<p>请记住,切片列表(list[x:y])将创建现有列表的副本。当与大列表一起使用时,这可能会成为内存问题。在</p>