hello world lambda function python
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title: getting started with aws lambda function in python - hello world tutorial
introduction:
aws lambda is a serverless computing service that allows you to run your code without provisioning or managing servers. in this tutorial, we'll create a simple "hello world" lambda function using python.
prerequisites:
step 1: set up aws lambda environment:
before you begin, make sure you have the aws cli configured with your aws credentials.
step 2: create a python lambda function:
create a new file called hello_world_lambda.py and add the following python code:
this function takes two parameters, event and context, and prints "hello, world!" to the console. the function also returns a response in the form of a dictionary with a status code and a message.
step 3: package the lambda function:
to deploy the lambda function, you need to package your code and dependencies into a zip file. create a zip file containing your hello_world_lambda.py file.
step 4: deploy the lambda function:
use the aws cli to create and deploy the lambda function:
make sure to replace your-role-arn with the arn of the iam role that has lambda execution permissions.
step 5: invoke the lambda function:
now that your lambda function is deployed, you can invoke it using the following command:
check the output.txt file for the output of your lambda function.
conclusion:
congratulations! you've successfully created a simple "hello world" lambda function using python. this tutorial provides a basic introduction to aws lambda and can serve as a starting point for more complex serverless applications.
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