[Python-Dev] Re: PEP239 (Rational Numbers) Reference Implementation and new issues

2002年10月03日 20:55:13 -0400

> One might presume that introducing `:' between numbers at the
> syntactic level has just no chance to ever work. But _maybe_ it
> could be more tractable at the lexical level without bringing too
> much confusion, and for numerical _constants_ only -- 3:2 is one
> number, has never been two.

I think the slice notation e.g. x[1:4] kills that idea.
--Guido van Rossum (home page: http://www.python.org/~guido/)