split() and string.whitespace

[bearophileHUGS at lycos.com]

MRAB:
> I also had the thought that the backtick (`), which is not used in
> Python 3, could be used to form character set literals (`aeiou` =>
> set("aeiou")), although that might only be worth while if character
> sets were introduced as an specialised form of set.

Python developers have removed it from the syntax mostly because lot
of keyboards (probably most in the world) don't have "`" on them.

Bye,
bearophile