lambda_function.py

import json
import logging

logger = logging.getLogger()
logger.setLevel(logging.INFO)

def lambda_handler(event, context):

    data = {}
    
    if isinstance(event, dict) == True:
        # Get the value_1 and value_2 parameters from the event object. The 
        # runtime converts the event object to a Python dictionary
        value_1 = event['value_1']
        value_2 = event['value_2']
    
        sum = do_sum(value_1, value_2)
    
        print(f"The sum is {sum}")

        # return the calculated sum as a JSON string
        data = {"sum": sum}

    else:
        print(f"Não foi possível ler payload!")

    logger.info(f"CloudWatch logs group: {context.log_group_name}")
    
    return json.dumps(data)
    
def do_sum(value_1, value_2):
    return value_1+value_2