[Python-ideas] Python Numbers as Human Concept Decimal System

[Greg Ewing]

Steven D'Aprano wrote:
> (By the way, I think it is somewhat amusing that Python not only has a 
> built-in complex type, but also *syntax* for creating complex numbers, 
> but no built-in support for exact rationals.)

I gather that Guido's experiences with ABC have led him
to believe such a feature would be an attractive nuisance.
Rationals have some nasty performance traps if you use
them without being fully aware of what you're doing.

-- 
Greg