Installing Python

1. To install Python in Windows
Step 1 : go to python.org
Step 2 : Download the installer.
Step 3 : Double click on the installer and follow the instructions.

Some known issues in Windows:
windows OS may sometime require Visual Studio runtime, which can be downloaded from  VC++ runtime

2. To install in Debian based Linux
Python is already installed in most linux os if its not then
Step 1 : open terminal, switch to sudo
Step 2 : type 'sudo apt-get  install python3'
Step 3 : type 'sudo apt-get  install idle3' to install python IDLE