擅长:python、mysql、java
<p>根据<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.applymap.html#pandas-dataframe-applymap" rel="nofollow noreferrer">API Reference</a><code>DataFrame.applymap(func)</code></p>
<blockquote>
<p>Apply a function to a DataFrame that is intended to operate
elementwise, i.e. like doing map(func, series) for each series in the
DataFrame</p>
</blockquote>
<p>它不会改变您获取返回值并使用它所需的<code>DataFrame</code>。在</p>