擅长:python、mysql、java
<p>您可以使用<code>extend</code>:</p>
<blockquote>
<pre><code>extend(...)
L.extend(iterable) -- extend list by appending elements from the iterable
</code></pre>
</blockquote>
<pre><code>All = []
Class1 = {"name":"A","score":[60,70,80]}
Class2 = {"naem":"B","score":[70,80,90]}
All.extend(Class1['score'])
All.extend(Class2['score'])
print(All)
</code></pre>