[Python-ideas] 1_000_000

[Cameron Simpson]

On 06May2011 15:40, Ethan Furman <ethan at stoneleaf.us> wrote:
| Bruce Leban wrote:
| >Is _ just ignored in numbers or are there more complex rules?
| >
| >    * 1_2345_6789  (can I use groups of other sizes instead?)
| >    * 1_2_3_4_5  (ditto)
| >    * 1_234_6789  (do all the groups need to be the same size?)
| >    * 1_   (must the _ only be in between 2 digits?)
| >    * 1__234   (what about multiple _s?)
| >    * 9.876_543_210   (can it be used to the right of the decimal point?)
| >    * 0xFEFF_0042   (can it be used in hex, octal or binary numbers?)
| >    * int('123_456')   (do other functions accept this syntax too?)
| 
| I would say it's ignored.  Have the rule be something like
| number_string.replace('_','').
| 
| The only wrinkle is that currently '_1' is usable name, and that
| should probably be disallowed if the above change took place.
| 
| I'm +1 on the idea.

Personally I'm be for ignoring the _ also, save that I would forbid it
at the start or end, so no _1 or 1_.

And I would permit it in hex code etc.

I'm +0.5, myself.

Cheers,
-- 
Cameron Simpson <cs at zip.com.au> DoD#743
http://www.cskk.ezoshosting.com/cs/

A strong conviction that something must be done is the parent of many
bad measures.   - Daniel Webster