Duplicate the Create Complete Campaign AdWords API Only example from the Migration directory in the Google Ads client library you're using, for example:
|1.0.0: Directory of the Python Example|
Lastly, you will need the Client customer ID for a Test Google Ads account.
Throughout this guide we'll be executing the example using this shell command:
|1.0.1: Shell Command to Run the Script|
The Google Ads documentation has dedicated migration guides: