There's no reason why you can't use "closed" Python 2 code, or even Fortran for that matter, from Python 3. It's just a matter of interfacing. I highly doubt t

There's no reason why you can't use "closed" Python 2 code, or even Fortran for that matter, from Python 3. It's just a matter of interfacing. I highly doubt that "End of life" means you can't get it to run anymore.