擅长:python、mysql、java
<p>在将当前项连接到<code>curr_str</code>之前,需要检查当前项是否以数字<em>开头</p>
<p>在循环结束时,您需要检查<code>curr_str</code>是否包含任何内容,以便可以将最后的项附加到列表中</p>
<pre><code>l = ["1. first paragraph", "2. second paragraph", "end of second paragraph", "3. third paragraph"]
result = []
curr_str = ""
for item in l:
if item[0].isdigit():
if curr_str:
result.append(curr_str)
curr_str = ""
curr_str += item
if curr_str:
result.append(curr_str)
print(result)
</code></pre>