If there a good place to see Jupyter note books solving a real problem? Idk, like importing some data and doing some analysis / forecasting? Most notebooks ap

If there a good place to see Jupyter note books solving a real problem? Idk, like importing some data and doing some analysis / forecasting? Most notebooks appear really bad quality. Worse internally. Better off looking at some excel https://github.com/martinshkreli/models https://github.com/martinshkreli/models