Json is a efficient lightweight data format, widely used in fields including data exchange over internet. Its data structure is similiar to dictionary in Python. Python json module provides easy parsing and coding of json data. To generate a json object:

>>> import json
>>> x = json.loads('{"USA":3,"India":11,"Brazil":1}')
>>> x

{'Brazil': 1, 'India': 11, 'USA': 3}

>>> x['Brazil']

1

{
"Mike": {
"name": "Mike Johnson",
"age": 32
}
"Jeff": {
"name": "Jeffrey Smith",
"age": 27
}
"Lynn": {
"Lynn Martin",
"age": 54
}
}

>>> import json
>>> fl = open('tp.json').read()
>>> jn = json.loads(fl)
>>> for key in jn:
... print(key)
... for key2 in jn[key]:
... print(key2, ": ", jn[key][key2])
...

Lynn
name : Lynn Martin
age : 54
Jeff
name : Jeffrey Smith
age : 27
Mike
name : Mike Johnson
age : 32