Generate temporary AWS STS credentials based on a preconfigured AWS profile. New credentials will be saved fresh/overwrite in the form of a child AWS profile. Script requires several parameters to be configured for it to work otherwise it may not work.

pipenv install
pipenv run python script.py -h
pipenv run python .\script.py -s arn:aws:iam::112233445566:mfa/user -pp parent_profile_name -cp child_profile_name -t 123456