擅长:python、mysql、java
<p>您可以使用负索引来获取所需内容</p>
<pre><code>l = ["1. first paragraph", "2. second paragraph", "end of second paragraph", "3. third paragraph"]
res = []
for i in l:
if i[0].isdigit():
res.append(i)
else:
res[-1] = res[-1] + i
print(res)
</code></pre>
<p>输出</p>
<pre><code>['1. first paragraph', '2. second paragraphend of second paragraph', '3. third paragraph']
</code></pre>
<p>注:</p>
<p>如果您的第一个元素不是以数字开头,则此操作将不起作用</p>
<p>如果列表为空或第一个字符是数字,则需要更改if条件,如<code>if not res or i[0].isdigit():</code></p>