import json

mydict = {
    "people": [
        {
            "name": "Bob",
            "age": 28,
            "weight": 80
        },
        {
            "name": "Anna",
            "age": 34,
            "weight": 60
        },
        {
            "name": "Charles",
            "age": 45,
            "weight": 90
        },
        {
            "name": "Daniel",
            "age": 21,
            "weight": 120
        }
    ]
}

json_string = json.dumps(mydict, indent=2)

def writeJson():
    with open("iot/blueprints/utils/json_test.json", 'w') as f:
            f.write(json_string)

def readJson():
    with open("iot/blueprints/utils/json_test.json", 'r') as f:
        json_object = json.loads(f.read())
        print(json_object['people'][0]['name'])