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