Python indentation (3 spaces)

Fri Oct 5 17:35:33 EDT 2018

On Sat, Oct 06, 2018 at 12:23:49AM +0300, Serhiy Storchaka wrote:
> > I don't understand how three spaces would prevent errors in a way that
> > four wouldn't.
> In many editors and on terminal
>> for a in x:
> if a:
> b()
> <-tab-->c()
>> looks indistinguishable from
>> for a in x:
> if a:
> b()
> c()
>> but the former is a syntax error in Python 3.
>> If use 3-space indentation this error is more visible:
>> for a in x:
> if a:
> b()
> <-tab-->c()

That is only incidental because the "width" of a tab stop is
what you define it to be. On my system it might just be 3
spaces which would turn your argument on its head.
Karsten
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