从字典列表中过滤键

【问题标题】：filter keys out from list of dicts从字典列表中过滤键
【发布时间】：2022-12-02 17:17:25
【问题描述】：

Say I have a list of dict:

ld = [{\'a\':1,\'b\':2,\'c\':9},{\'a\':1,\'b\':2,\'c\':10}]

And a list to filter the keys out:

l = [\'a\',\'c\']

Want to remove key a and c from ld:

Try:

result = [d for d in ld for k in d if k in l]

Desired Result:

[{\'b\':2},{\'b\':2}]

标签： python

【解决方案1】：

【解决方案2】：

【解决方案3】：