Как найти, где находится Python
>>> import os
>>> import sys
>>> os.path.dirname(sys.executable)
'C:\\Python25'
Uptight Unicorn
>>> import os
>>> import sys
>>> os.path.dirname(sys.executable)
'C:\\Python25':: Check for Python Installation
python --version 3>NUL
if errorlevel 1 goto errorNoPython
:: Reaching here means Python is installed.
:: Execute stuff...
:: Once done, exit the batch file -- skips executing the errorNoPython section
goto:eof
:errorNoPython
echo.
echo Error^: Python not installed
"C:\Program Files\used\systems\innoventiq\accumanager\required\excutables\python-3.7.3-amd64.exe"