~ SAVING A PYTHON SCRIPT - OPTION 1 ~

If, for some reason related to new versions of Notepad++, after saving your script as shown in the previous video the script doesn't get saved as myscript.py (with the .py extension), then you can rename your script by right-clicking the file and using the Rename option, thus adding the .py extension manually.

~ SAVING A PYTHON SCRIPT - OPTION 2 ~

The other option for correctly saving your script is using File - Save As... in Notepad++ and manually adding the .py extension after the name of the file.