.. important:: Throughout this documentation you will see commands or code preceded by a triple greater-than prompt (``>>>``). This indicates that they are being entered into a Python interpreter in *interactive mode*. To start Python in *interactive mode*, it's as simple as executing ``python`` from a command prompt:: % python Python 2.7.2 (default, Jun 20 2012, 16:23:33) Type "help", "copyright", "credits" or "license" for more information. >>> For more information, please see the `official Python documentation on interactive mode `_.