[issue32821] Add snippet on how to configure a "split" stream for console

Change by Mario Corchero : -- keywords: +patch pull_requests: +5433 stage: -> patch review ___ Python tracker ___

[issue32821] Add snippet on how to configure a "split" stream for console

New submission from Mario Corchero : As discussed in python-ideas, it would be good to have a recipe on how to configure the logging stack to be able to log ``ERROR`` and above to stderr and ``INFO`` and below to stdout. It was proposed to add it into the cookbook rather