Referencing Event passed into AWS Lambda

import pandas as pd
import json

def lambda_handler(event, context):
    # TODO implement
    s = pd.Series([1, 3, 5, 7, 6, 8])
    print("printing pandas s:")
    print(s)
    print("done printing pandas s")
    print("about to print all keys and values in event: ")
    for key, value in event.items():
        print(f"{key}: {value}")
    return {
        'statusCode': 200,
        'body': json.dumps('Hello from Lambda!')
    }