[Python] Python to convert CSV to JSON

I need to convert below csv file to json

cat /tmp/input.csv
ID,item,name
1,A,aname
2,A,bname
6,A,zname
8,A,xname


expected json

{
"filters": [
{
"ID": “1”,
“item”: “A”,
"details": {
"name": "aname"
}
},
{
"ID": “2”,
"item": “A”,
"details": {
"name": "bname"
}
},
{
"ID": “6”,
"item": “A”,
"details": {
"name": "zname"
}
},
{
"ID": “8”,
"item": “A”,
"details": {
"name": "xname"
}
}
]
}


I tried below workaround but unable to achieve the expected output. how do include "filters" and keep "name" inside "details" which is in expected output ?

cat /tmp/input.csv| python -c 'import csv, json, sys; print(json.dumps([dict(r) for r in csv.DictReader(sys.stdin)]))'

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