擅长:python、mysql、java
<p>计算最大成本,然后使用列表:</p>
<pre><code>from operator import itemgetter
max_cost = max(map(itemgetter('cost'), fruits))
# or max_cost = max(i['cost'] for i in fruits)
res = [i for i in fruits if i['cost'] == max_cost]
print(res)
[{'nama': 'oranges', 'id': 9635, 'cost': 23},
{'nama': 'oranges', 'id': 989, 'cost': 23}]
</code></pre>