# VScode Terminal window transcript (slightly edited and #commented# for readability)
# of E. Paine (epaine) tk bench.py running on Windows10 Intel i5-8250U.
# by Thomas Wamm  24-Mar-2021

# 2 runs of bench.py on each of 3 versions of Python:  3.8.2, then 3.9.2, then 3.10.0a6

Windows PowerShell
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PS C:\Users\PTR> & C:/Users/PTR/AppData/Local/Programs/Python/Python38/python.exe c:/Users/PTR/Documents/python-debugging/tkbench/bench.py
Test clearing
314.82009999999997 microseconds per iteration
Test not clearing
15826.1669 microseconds per iteration

PS C:\Users\PTR> & C:/Users/PTR/AppData/Local/Programs/Python/Python38/python.exe c:/Users/PTR/Documents/python-debugging/tkbench/bench.py
Test clearing
304.327 microseconds per iteration
Test not clearing
15714.870299999997 microseconds per iteration

PS C:\Users\PTR> & C:/Users/PTR/AppData/Local/Programs/Python/Python38/python.exe                                                         
Python 3.8.2 (tags/v3.8.2:7b3ab59, Feb 25 2020, 23:03:10) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> 


PS C:\Users\PTR> & C:/Users/PTR/AppData/Local/Programs/Python/Python39/python.exe c:/Users/PTR/Documents/python-debugging/tkbench/bench.py
Test clearing
303.8527 microseconds per iteration
Test not clearing
15860.2935 microseconds per iteration

PS C:\Users\PTR> & C:/Users/PTR/AppData/Local/Programs/Python/Python39/python.exe c:/Users/PTR/Documents/python-debugging/tkbench/bench.py
Test clearing
291.41569999999996 microseconds per iteration
Test not clearing
15861.766000000001 microseconds per iteration

PS C:\Users\PTR> & C:/Users/PTR/AppData/Local/Programs/Python/Python39/python.exe                                                         
Python 3.9.2 (tags/v3.9.2:1a79785, Feb 19 2021, 13:44:55) [MSC v.1928 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> 


PS C:\Users\PTR> & C:/Users/PTR/AppData/Local/Programs/Python/Python310/python.exe c:/Users/PTR/Documents/python-debugging/tkbench/bench.py
Test clearing
281.9309000042267 microseconds per iteration
Test not clearing
16105.044300027657 microseconds per iteration

PS C:\Users\PTR> & C:/Users/PTR/AppData/Local/Programs/Python/Python310/python.exe c:/Users/PTR/Documents/python-debugging/tkbench/bench.py
Test clearing
260.2121000236366 microseconds per iteration
Test not clearing
16032.761100010248 microseconds per iteration

PS C:\Users\PTR> & C:/Users/PTR/AppData/Local/Programs/Python/Python310/python.exe
Python 3.10.0a6 (tags/v3.10.0a6:cc12888, Mar  1 2021, 18:17:49) [MSC v.1928 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>

# Summary:  performance seems good, and similar, for all 3 Python versions on Windows 10.