import sys

test = 2  # Run in Python, then IDLE after add deletes to run.py.

if test == 1: # Test create, delete, create in one process.
    import tkinter.simpledialog, tkinter.messagebox, tkinter.font,\
           tkinter.dialog, tkinter.filedialog,\
           tkinter.commondialog, tkinter.colorchooser, tkinter.ttk

    for mod in ('simpledialog', 'messagebox', 'font',
                'dialog', 'filedialog', 'commondialog',
                'colorchooser', 'ttk'):
        delattr(tkinter, mod)
        del sys.modules['tkinter.' + mod]

import tkinter
for mod in ('simpledialog', 'messagebox', 'font',
            'dialog', 'filedialog', 'commondialog',
            'colorchooser', 'ttk'):  # for 3.5, 3.6 respectively
    print(mod)
    assert not hasattr(tkinter, mod)
    
import tkinter.simpledialog, tkinter.messagebox, tkinter.font,\
       tkinter.dialog, tkinter.filedialog,\
       tkinter.commondialog, tkinter.colorchooser, tkinter.ttk
for mod in (tkinter.simpledialog, tkinter.messagebox, tkinter.font,
            tkinter.dialog, tkinter.filedialog,
            tkinter.commondialog, tkinter.ttk):
    print('\n\n', mod, '\n', dir(mod))