TODO

The overhead of short-lived memory allocation and how to avoid it
Understanding GC-tracked container types and their impact on performance

Handling constants

The performance of module-level and class attribute constants
Constant folding

Calling functions

Does that need to be a function? The overhead of function calls in 3.10
Comparing function-call types
Static/classmethods v.s. functions
Why you should avoid using **kwargs for known arguments

Working with variables

Bad, Better, Best. Comparing the speed of globals, locals and fast locals
The overhead of instance attributes
Copying to a logically-named fast local

That can probably be a function; when classes can be overkill