What are the uses of Null handler in python logging?

Question

According to python's documentation,

The NullHandler class, located in the core logging package, does not do any formatting or output. It is essentially a ‘no-op’ handler for use by library developers.

If it doesn't print to anything, what is the use of this handler at all? Why would one go to lengths to write loggers and then use null handler to not print anything?

Answer 1

So you can keep your logger.warning('Whatever') statements in your code, but conditionally inject a logger that entirely disregards them if you don't want a log in certain situations.