Installing/configuring Tkinter on Linux Mint 18?

[mpd]

Already have it...

$ sudo apt-get install tcl
Reading package lists... Done
Building dependency tree
Reading state information... Done
tcl is already the newest version (8.6.0+9).

I don't see any Python related TCL packages either...

$ apt-cache search tcl | grep python3
python3-fastcluster - Fast hierarchical clustering routines for Python 3
python3-heatclient - client library and CLI for OpenStack Heat - Python 3.x
python3-pyds9 - Communication with the ds9 image display program (Python-3)
python3-qwt - Pure Python implementation of Qwt - Python 3
python3-rtslib-fb - object API for managing the Linux LIO kernel target - Python 3.x
python3-swiftclient - Client library for Openstack Swift API - Python 3.x
python3-tksnack - Sound extension to Tcl/Tk and Python/Tkinter - Python 3.x library