How to set up credentials

[XiaoguangGuo]

I'm a new.
How can I set up credentials? who can give me a step-to-step guide? I have all the passwords. Can I write the followings and save them as a yml file?
"
default:
refresh_token: ''
lwa_app_id: ''
lwa_client_secret: ''
aws_secret_key: ''
aws_access_key: ''
role_arn: ''
"

[braeutigamj]

There are multiple options: https://python-amazon-sp-api.readthedocs.io/en/latest/credentials/
Yes you can create a yaml file: https://python-amazon-sp-api.readthedocs.io/en/latest/config_file/