擅长:python、mysql、java
<p>您需要添加<code>.str</code>以将每个值作为str处理并应用<code>.replace()</code>(<a href="https://pandas.pydata.org/pandas-docs/stable/user_guide/text.html" rel="nofollow noreferrer">documentation</a>):</p>
<pre><code>df["Start Time"] = df["Start Time"].str.replace(":","")
</code></pre>