We'll be using Python 3 in this book. As you may know, Python 2 will no longer be supported after 2020, so starting with or switching to Python 3 is strongly recommended. Trust me, the transition is pretty smooth. But if you're stuck with Python 2, you still should be able to modify the codes to work for you. The Anaconda Python 3 distribution is one of the best options for data science and machine learning practitioners.
Anaconda is a free Python distribution for data analysis and scientific computing. It has its own package manager, conda. The distribution (https://docs.anaconda.com/anaconda/packages/pkg-docs/, depending on your operating system, or version 3.6, 3.7, or 2.7) includes more than 500 Python ...
