Hi Juan,
No worries, feel free to reach out our team if you have questions/concerns.
With regard to the Github link that you provided, that is the client library that you may download if you want to use the Python language for developing your application using AdWords API.
Moving forward, you may refer to the
Reporting Basics documents if you want to know how get the performance data of your AdWords entities and to know the steps necessary to create and submit a report request.
Furthermore, you can use the
Campaign Performance Report to retrieve data of campaigns,
Keywords Performance Report for keywords, and
Landing Page Report for landing pages. You may refer to this
link to see all the report types in AdWords API.
Regards,
Ejay
Google Ads API Team

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