擅长:python、mysql、java
<p>您可以执行以下操作:</p>
<pre><code>error = mycharacters.count() >= 5
if not error:
...
</code></pre>
<p><strong>更新</p>
<pre><code>error = mycharacters.count() >= 5
if error:
to_json = {"incorrect":"Excedeed maximum"}
else:
# Save to DB
</code></pre>