擅长:python、mysql、java
<p>如果dict键与<code>df.columns</code>同步,则可以将<a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.replace.html" rel="nofollow noreferrer">^{<cd2>}</a>与<code>regex=True</code>一起使用:</p>
<pre><code>myDict = {"Rude Staff":12, "Poor Hygiene":4, "Out of Stock":3}
df.replace('\?',myDict,regex=True)
</code></pre>
<hr/>
<pre><code> date day Rude Staff Poor Hygiene Out of Stock
0 01/06/19 Sat 12 4 3
1 09/06/19 Sun 12 4 3
2 15/09/21 Fri 12 4 3
</code></pre>