This Gist helps you to use json as your database with python. Its basic but you can develop things on this!

json_read_write.py

import json

with open("person.json", "r") as json_read:
    json_dict = json.load(json_read)

name = input("enter your name: ")

json_dict["name"] = name
print(json_dict["name"])


person_dict = json_dict

with open('person.json', 'w') as json_file:
    json.dump(person_dict, json_file)

person.json

{"name": "zombie", "languages": ["English", "Fench"], "married": true, "age": 32}