use :mod:`tkinter`, you don't need to write Tcl code, but you will need to

consult the Tk documentation, and occasionally the Tcl documentation.

:mod:`tkinter` is a set of wrappers that implement the Tk widgets as Python

classes. In addition, the internal module :mod:`_tkinter` provides a threadsafe

mechanism which allows Python and Tcl to interact.

classes.

:mod:`tkinter`'s chief virtues are that it is fast, and that it usually comes

bundled with Python. Although its standard documentation is weak, good

Remove the unqualified claim that tkinter is threadsafe. It has not been

true for several years and likely never was. An explanation of what is true

may be added later, after more discussion, and possibly after patching

_tkinter.c,