The AWS CDK Toolkit, the CLI command cdk, is the

primary tool for interacting with your AWS CDK app.

▪ Executes your app, manages the application model you

defined, and produces and deploys the AWS

CloudFormation templates generated by the AWS

CDK.

▪ AWS CDK Toolkit is installed with the npm - Node

Package Manager.

▪ npm install -g aws-cdk

▪ Install latest version 

https://docs.aws.amazon.com/cdk/v2/guide/work-with-cdk-python.html