Make Python create a tuple with one element in a clean way

[Filip Štědronský]

Hello,

> so it would be clean if Python would convert anything put into ( ) to
> be a tuple, even if just one value was put in (without having to use
> that ugly looking comma with no value after it).

if it worked that way, it will absolutely mess up Python syntax, because
we mathematicians are used to use parentheses to force explicit operator
precedence, to group expressions, etc.

Should (1+1)*2 yield 4 or (2,2) ?