Python/Jupyter for Windows: installation, configuration, 1st run...
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Installation of Python for Windows - fast and easy -> WinPython distribution
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1) GoogleSearch -> WinPython -> http://winpython.github.io/
2) Download the latest version (64bit or 32bit dependig on your computer)
3) Installation (straightforward, some instrutions and recommendatins follow):
 a) Run the downloaded file
    select (and remember!) program directory (large program - be patient)
 b) New distributions are sometimes installed in their own subdirectory
    at this stage, you can remove or rename the subdirectory as you wish
 c) In the final program main directory, run the following: 
    [winpython control panel.exe] - Advanced - RegisterDistribution
    (it sometimes fails during the first run - re-run if necessary)

1st run :: Jupyter = interactive Python (this is what we will use)
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1) Go to the program main directory
2) Run program [jupyter lab.exe]
 * open a new notebook: UpperRightCorner - New - Python3
 * in the newly opened window, you can write commands (such as: 1+1)
 * change the name of file (default is untitled): Menu - File - Rename
 * save notebook as ipynb (for future editing): [Save icon] or [Ctrl+S]
 * save notebook as html (for viewing): Menu - File - DownloadAs - HTML
3) Help and more information:
 * directly in Jupyter: Menu - Help 
 * plenty of help in www: GoogleSearch -> Python Jupyter

1st run :: Python = non-interactive mode, programming (this is optional)
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0) Python programs can be written in arbitrary ascii editor (notepad, note++)
 * principle: create program - save file with .py extension - run program
1) Nevertheless, writing programs in Spyder may be found more convenient:
 * go to the program main directory and run [spyder.exe]
 * follow help (Menu - Help) + your own common sense
2) Plenty of help in www (GoogleSearch: python windows first program)
 * do not install further applications unless you really need them
 * reason: WinPython installation should contain all you need (and more)