Downloading and installing Python is not difficult. The installers for many platforms can be downloaded from http://www.python.org/download/.
>python -version
Python 3.2
On a UNIX-like system (like Ubuntu Linux, or Mac OS), Python might very well be already installed, so it might be a good idea to verify that first by trying the instructions in step 2. If the version returned is lower than 3, you should update your Python distribution. Note that it is perfectly possible to install version 3.x of Python alongside a 2.x version in order to not break applications depending on version 2.x (Python 3 is not backward compatible with version 2).
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