[Python-ideas] Rough draft: Proposed format specifier for a thousands separator (discussion moved from python-dev)

[Greg Ewing]

Mark Dickinson wrote:

>>>>format('%014f', 123.456, grouping=1)
> 
> '0,000,123.456000'
> 
> That also means that the relationship between the field width (14
> in this case) and the string length (16) is somewhat obscured.

I'd consider that part a bug that we shouldn't imitate.
The field width should always be what you say it is,
unless the value is too big to fit.

-- 
Greg