如何在 Python 中重新格式化 JSON / Dictionaries

Question

I have the below list -

[{'metric': 'sales', 'value': '100', 'units': 'dollars'}, 
{'metric': 'instock', 'value': '95.2', 'units': 'percent'}]

I would like to reformat it like the below in Python -

{'sales': '100', 'instock': '95.2'}

I did the below -

a = [above list]
for i in a:
    print({i['metric']: i['value']})

But it outputs like this -

{'sales': '100'}
{'instock': '95.2'}

I would like these 2 lines to be a part of the same dictionary

Answer 1

d = [{'metric': 'sales', 'value': '100', 'units': 'dollars'}, 
{'metric': 'instock', 'value': '95.2', 'units': 'percent'}]

new_d = {e["metric"]: e["value"] for e in d}
# output: {'sales': '100', 'instock': '95.2'}

I believe that it's best to try it first by yourself, and then post a question in case you don't succeed. You should consider posting your attempts next time.