How to write Inline Functions in Python?

[David Rushby]

> And again, problem with the programmer.  Since when does 
> python withold a useful tool just because it's sometimes 
> abused?

  Approximately since it withheld pointers?  Macros? 
Assignment-as-an-expression?  Since the very inception of the
language?

  There's actually a version of Python with no useful feature
withheld--it's called "see plus plus".