Anaconda is a free Python distribution produced by Continuum Analytics and contains about 200 Python packages, as well as Python itself, for doing a wide range of scientific computations. Anaconda can be downloaded from http://continuum.io/downloads. Choose Python version 2.7.
The Integrated Development Environment (IDE) Spyder is included with Anaconda and is our recommended tool for writing and running Python programs on Mac and Windows, unless you have preference for a plain text editor for writing programs and a terminal window for running them.
Spyder is started by typing
spyder in a (new) Terminal application.
If you get an error message unknown locale, you need to type the
following line in the Terminal application, or preferably put the line
$HOME/.bashrc Unix initialization file:
export LANG=en_US.UTF-8; export LC_ALL=en_US.UTF-8
Anaconda installs the
pip tool that is handy to install additional
packages. In a Terminal application on Mac or in a PowerShell terminal
on Windows, write
pip install --user packagename