Ubuntu package "python3" does not include tkinter

[Bob Martin]

in 695509 20130422 081727 Steven D'Aprano <steve+comp.lang.python at pearwood.info> wrote:

>I think that if you are worrying about the overhead of the tkinter
>bindings for Python, you're guilty of premature optimization. The tkinter
>package in Python 3.3 is trivially small, under 2 MB.

"trivially small"?
30 years ago a small mainframe only had 2MB.