[issue43276] add `false` and `true` keywords (aliases) for True and False

[parsa mpsh]

parsa mpsh <parsampsh at gmail.com> added the comment:

Also adding them as builtin keywords will make it easier than setting them as variables. in this method, we should define them everywhere, but in builtin type its easy.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43276>
_______________________________________