擅长:python、mysql、java
<blockquote>
<p><code>[df["duplicates"]==True] = 1</code></p>
</blockquote>
<p>括号外的双等号<code>==</code>也是必需的,将其设置为:<code>df[df['column_name'] == value] == 1</code></p>
<p>因此,在您的情况下,它将是:</p>
<pre class="lang-py prettyprint-override"><code>if df[df['duplicates'] == True]: #the double square brackets are important
return 1
else
return 0
</code></pre>
<p>希望这有帮助</p>