Convert list of dictionaries to nested dictionary

Question

There are a number of questions on this topic but I have not yet been able to adapt solutions to fit my case. Supposed I have a list of dictionaries that I got from a flat file:

Answer 1

Use a defaultdict for ease of processing these entries:

output = defaultdict(dict)

for person in people:
    output[person['Name']][person['Attribute']] = person['Value']