擅长:python、mysql、java
<p>IIUC:</p>
<pre><code>dfr.iloc[5:15].apply(test, axis = 1)
</code></pre>
<p><a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.iloc.html" rel="nofollow noreferrer">^{<cd1>}</a>允许您根据行(和列)的位置选择行(和列)</p>