<p>我想用python从段落中得到第一句话。
该段如下</p>
<p><strong>ECONOMYNEXT-斯里兰卡卢比兑美元周五稳定收报176.40/50卢比，金边收益率小幅走高，因二级市场获利回吐，尽管央行下调政策利率以恢复信贷需求，但市场参与者表示，股市下跌0.26%。</strong></p>
<p><strong>周四现货市场卢比兑美元收于176.40/50卢比。</strong></p>
<p>我是从下面写的代码中提取句子直到
小数点。谢谢你的帮助</p>
<pre><code>import requests
#from pprint import pprint
from IPython.display import HTML
import json
txt = ''' ECONOMYNEXT -Sri Lanka rupee closed steady at 176.40/50 rupees to the US dollar on Friday and gilt yields edged higher on profit taking in the secondary market even as the Central Bank cut policy rates to revive credit demand, while stocks ended 0.26 percent lower, market participants said.
The rupee ended at 176.40/50 rupees against the greenback in the spot market on Thursday. '''
if len(txt) > 100:
txt = txt.partition('.')[0] + '.'
print(txt)
</code></pre>
