How to run a python program in Windows 10 command prompt

Question

For just executing hello world program, I'm getting this following error.

"This file does not have a program associated with it for performing this action"

Answer 1

Look at the following steps:

1. Download the authorities/official version of Python 
2. Use custom installation following the screen captures below. 
3.  Execute your hello.py record straightforwardly from the command line by composing hello.py

Screenshot 1

Screenshot 2

Screenshot 3

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