擅长:python、mysql、java
<p>使用<a href="http://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.cummin.html" rel="nofollow noreferrer">^{<cd1>}</a>:</p>
<pre><code>print(s.cummin())
0 10
1 10
2 10
3 9
4 9
5 8
6 8
7 8
dtype: int64
</code></pre>