Python (2.6.2):

Go download Python 2.6.2 for your appropriate operating system from here.
After Python has successfully installed you should notice a program called 'IDLE'. This is the interactive python shell and IDLE from which we will execute out programs. You may also want to download Python 2.6.2's documentation from here.

Python 101 - Lesson 01 - Print, Output and Variables
Python 101 - Lesson 02 - User input