How to invoke a lambda function from another lambda function in python
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to invoke a lambda function from another lambda function in python, you can use the `boto3` library to interact with the aws lambda service. here's a step-by-step tutorial on how to achieve this:
1. install the `boto3` library if you haven't already. you can install it using pip:
2. set up your aws credentials and configure the aws region:
you can set up your aws credentials using iam user access keys.
you can configure the aws region by setting the `aws_default_region` environment variable to your desired region.
3. import the necessary libraries:
4. create a `boto3` client for the aws lambda service:
5. invoke the target lambda function from within another lambda function:
in the code above, replace `'target_lambda_function_name'` with the name of the lambda function you want to invoke. you can pass input data to the target lambda function by providing it in the `source_lambda_input` parameter.
here's an example code snippet to demonstrate how to invoke a lambda function from another lambda function:
in this example, the `lambda_handler` function is the entry point for the invoking lambda function. it prepares the input data for the target lambda function and invokes it using the `invoke_lambda` function. the response from the target lambda function is then processed and returned as the output of the invoking lambda function.
remember to replace `'key1': 'value1'` and `'key2': 'value2'` with the actual input data you want to pass to the target lambda function.
that's it! you now know how to invoke a lambda function from another lambda function in python using `boto3`.
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