擅长:python、mysql、java
<p>您可以使用列表:</p>
<pre><code>multi_dict = [
{'key1': 'value1', 'key2': 'value2', 'key3': 'value3'},
{'key1': 'value10', 'key2': 'value20', 'key3': 'value30'}
]
result = [d['key1'] for d in multi_dict]
print(result)
</code></pre>
<p>输出:</p>
<pre><code>['value1', 'value10']
</code></pre>
<hr/>
<p>如果要模拟索引键<code>array_column</code>的第三个参数,可以使用字典理解:</p>
<pre><code>result = {d['key1']: d['key2'] for d in multi_dict}
print(result)
</code></pre>
<p>输出:</p>
<pre><code>{'value1': 'value2', 'value10': 'value20'}
</code></pre>