Proposal: Decimal literals in Python.

[MRAB]

Scott David Daniels wrote:
> Tim Roberts wrote:
>> My favorite notation for this comes from Ada, which allows arbitrary 
>> bases
>> from 2 to 16, and allows for underscores within numeric literals:
>>
>>   x23_bin : constant :=  2#0001_0111#;
>>   x23_oct : constant :=  8#27#;
>>   x23_dec : constant := 10#23#;
>>   x23_hex : constant := 16#17#;
> And mine is one w/o the base 10 bias:
>     .f.123 == 0x123
>     .7.123 == 0o123
>     .1.1101 == 0b1101
> That is, .<largest allowed digit>.<digits>
> -- show the base by showing base-1 in the base.
> I actually built this into "OZ," an interpretter.
> 
Smalltalk uses "r" (for "radix"). If we also permit underscores:

     x23_bin =  2r0001_0111
     x23_oct =  8r27
     x23_dec = 10r23
     x23_hex = 16r17