File "/var/task/lambda_function.py", line 2, in lambda_handler return event['demoevent'] KeyError: 'demoevent' Event does not have the key 'demoevent' or either misspelled Make sure the event is ...

From there, you can easily edit your Python code and quickly test your AWS Lambda functions all within the AWS Management Console. Serverless computing with Python in AWS really couldn’t be easier.

This comprehensive guide covers AWS Lambda, an on-demand serverless computing service. Learn how Lambda complements other AWS services, and how your business can use it.