9.2.3 Can you answer these questions?

9.2.3.1 How to acquire the background color and font color of output cells?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=278321

The following is how I grab the general colors used for an  EvaluationNotebook  but how does one target the colors to be used when creating an ... 
[output-formatting] [notebooks] [color] [cells] [output]
 

asked by Jules Manson https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=37721 Score of 1

9.2.3.2 How to import specific Python Libraries using External Evaluate

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=278216

I want to use specific python libraries via the Mathematica frontend. This is possible as follows 
... 
[python] [external-calls]
 

asked by Asim https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=30103 Score of 1

9.2.3.3 3D region best way to create signed coastal distance?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=278358

As a test, I'm trying to create a signed coastal distance map of the world (assumed perfectly spherical), using the first 1800x900 image above, which I converted to the 2nd image above using ... 
[performance-tuning] [regions] [geographics]
 

asked by Barry Carter https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=85732 Score of 6