Insertion of one document using python mongo client connection

insertOneDocument.py

from pprint import pprint
import json
from pymongo import MongoClient

#mongodb://127.0.0.1:27017/
client = MongoClient(host="localhost", port=27017)
print("1.connected to mongodb")
db = client.landTest
print("2.db : ",db)
# print("")
collection = db.landTest
print("\n\n3.collection:",collection)

print('-'*25)
testInsert =  {
            "address": "Avenue A.-F.-Dubois 2",
            "commune": "Meyrin",
            "category": "Habitation un logement",
            "type": "Privé",
            "age": None,
            "area1": 1669.0,
            "area2": 65.0,
            "totalarea": 65.0,
            "owner": "DAVEL Gisela Inge",
            "bno": "33/11045",
            "name": "TIMM",
            "ho": "",
            "date": "1942-05-16"
        }
print('-'*25)

print("4. inserting one document: \n")
# jsonInsert = json.loads(testInsert)
# pprint(jsonInsert)
pprint(testInsert)
print('\n\n')
result = collection.insert_one(testInsert)
print("5.result : ",result)
client.close()
print("\n\n--connection closed--")

Result in mongo console