Python list to multi-level json - json

Question

I 'm a Python beginner, I have a list that needs to be converted to json format.
I hope to get some help.
raw data：
result = [('A', 'a1', '1'),
('A', 'a2', '2'),
('B', 'b1', '1'),
('B', 'b2', '2')]
The result I want：
[{'type':'A',
'data':[{'name':'a1','url':'1'},
{'name':'a2','url':'2'}]
},
{'type': 'B',
'data': [{'name':'b1', 'url': '1'},
{'name':'b2','url':'2'}]
}]

Answer 1

('A', 'a1', 1) is an example of a tuple, which are iterable.
result = [('A', 'a1', '1'),
('A', 'a2', '2'),
('B', 'b1', '1'),
('B', 'b2', '2')]
type_list = []
for tup in result:
if len(type_list) == 0:
type_list.append({'type': tup[0], 'data': [{ 'name': tup[1], 'url': tup[2] }]})
else:
for type_obj in type_list:
found = False
if type_obj['type'] == tup[0]:
type_obj['data'].append({ 'name': tup[1], 'url': tup[2] })
found = True
break
if not found:
type_list.append({'type': tup[0], 'data': [{ 'name': tup[1], 'url': tup[2] }]})
print(type_list)
which prints:
[{'type': 'A', 'data': [{'name': 'a1', 'url': '1'}, {'name': 'a2', 'url': '2'}]}, {'type': 'B', 'data': [{'name': 'b1', 'url': '1'}, {'name': 'b2', 'url': '2'}]}]