擅长:python、mysql、java
<p>{cd1>已订购的词典}:</p>
<pre><code>>>> from collections import OrderedDict
>>> original = OrderedDict({1:"world"})
>>> new = OrderedDict({4:"hello"})
>>> new.update(original)
>>> new
# OrderedDict([(4, 'hello'), (1, 'World')])
</code></pre>
<p>这只适用于前面的添加。对于随机位置的插入,请参见<a href="https://stackoverflow.com/a/34067926/1682131">Borja's answer</a></p>