TypeError: unsupported operand type(s) for %: 'NoneType' and 'tuple'

[Peter Otten]

Νίκος Γκρ33κ wrote:

> Thank you very much Peter, so as it seems in Python 3.3.1 all
> substitutuons must be nested in print().

Yes; in other words: 

In Python 3 print() is a function.