[Python-ideas] [Python-Dev] Inclusive Range

[Boris Borcic]

Nick Coghlan wrote:
> [...] Being able to say things like
> "10:00"<= x<  '12:00", 10.0<= x<  12.0, "a"<= x<  "n" are much
> clearer than trying to specify their closed range equivalents.

makes one wonder about syntax like :

for 10 <= x < 20 :
     blah(x)


Mh, I suppose with rich comparisons special methods, it's possible to turn 
chained comparisons into range factories without introducing new syntax. 
Something more like


for x in (10 <= step(1) < 20) :
     blah(x)