擅长:python、mysql、java
<p>应该是<code>value == True</code>而不是<code>value == "True"</code></p>
<p>或者,作为<a href="https://stackoverflow.com/questions/46077030/python-program-to-count-the-values-associated-with-key-in-a-dictionary#comment79115386_46077062">Jean-François Fabre points out</a>,简单地说:</p>
<pre><code>if value:
s += 1
</code></pre>