insertEmployeeData.py

import json
import boto3

# create a DynamoDB object using the AWS SDK
dynamodb = boto3.resource('dynamodb')
# use the DynamoDB object to select our table
table = dynamodb.Table('employeeProfile')

# define the handler function that the Lambda service will use as an entry point
def lambda_handler(event, context):
# extract values from the event object we got from the Lambda service and store in a variable
    firstname = event['empFirstName']
    id=event['empId']
    lastname=event['empLastName']
    age=event['empAge']
# write name and time to the DynamoDB table using the object we instantiated and save response in a variable
    response = table.put_item(
        Item={
            'empId': id,
            'empAge':age,
            'empFirstName':firstname,
            'empLastName':lastname
            })
# return a properly formatted JSON object
    return {
        'statusCode': 200,
        'body': json.dumps('Hello from Lambda, ' + firstname)
    }