how to use python in windows code example

Example 1: pip install python 3

You cannot just pip install python3 because it is not a library.

If you want to install the latest python3:
https://www.python.org/ftp/python/3.8.2/python-3.8.2.exe

Example 2: how to use python on windows

open your favourite browser and and paste this link - 
https://www.python.org/downloads/ then download python exe
from here after that install it and open IDLE and strt writing the code