A list of useful resources such as cheet sheets, worksheets and references.
If you need a Python runtime, you can download it from the official source, here.
A great tutorial for using Python's Idle IDE that comes bundled with the Python runtime from www.realpython.com/python-idle/.
An excellent webpage for installation guides for a number of modules including TkInter https://www.pythonguis.com/installation/.
To read more about TkInter, click here.