Why do some attributes start with '@' while others done't?

[Ola Fosheim Grøstad via Digitalmars-d]

On Friday, 22 January 2016 at 18:28:31 UTC, Wyatt wrote:
> If you need an IDE to work comfortably in a language, something 
> has clearly gone wrong.

In the case of Python what was wrong is that it accepts both tabs 
and spaces for indentation. It should have required either tabs 
or spaces. So you basically need a good editor to makes sure that 
you don't have to deal with that problem.

As far as legibility it is the same for me. It took a lot of time 
for me to get used to "{" instead of "BEGIN". It took a similar 
amount of time to get used to Python's indentation. So I'd blame 
that on conditioning (what we are used to).