Downloading Python

Before you start, you will need Python on your computer.

1. There are two ways of installing python3 on a mac system: Use the Homebrew package manager. After installing Homebrew install Python 3 by running brew install python3. Download and install the latest stable Python 3 package. Be sure to run the included Install Certificates command from Finder. Once Python 3 is installed on your Mac, from.
2. The Python interpreter that’s built in to Mac OSX opens. How to install Python on Windows. Unfortunately, Python doesn’t come on Windows. If you’re running Windows, then you need to download and install Python by following the instructions here. Installing Python on Windows isn’t difficult. If you can download a file from a website, you.

Check whether you already have an up to date version of Python installed by entering python in a command line window. If you see a response from a Python interpreter it will include a version number in its initial display. Generally any Python 3.x version will do, as Python makes every attempt to maintain backwards compatibility within major Python versions. Python 2.x and Python 3.x are intentionally not fully compatible. If python starts a Python 2.x interpreter, try entering python3 and see if an up to date version is already installed.

On Windows, try py first - this is the relatively recent Python Launcher, which has a better chance of avoiding some of the path problems that might occur because on Windows programs don't install into any of the small set of common locations that are searched by default. The Python launcher can also let you select any of the various versions you may have installed from a single command.

If you need to install Python, you may as well download the most recent stable version. This is the one with the highest number that isn't marked as an alpha or beta release. Please see the Python downloads page for the most up to date versions of Python. They are available via the yellow download buttons on that page.

Python 2 is bundled with Mac OS X. However, Python 3 is not. We recommend that you download and install Python 3, and use Python 3 exclusively when running programs associated with this booksite. Perform these steps to download and install Python, IDLE, Tkinter, NumPy, and PyGame: Browse to the Python for Mac download page.

Windows

The most stable Windows downloads are available from the Python for Windows page. On Windows you have a choice between 32-bit (labeled x86) and and 64-bit (labeled x86-64) versions, and several flavors of installer for each. The Python core team thinks there should be a default you don't have to stop and think about, so the yellow download button on the main download page gets you the 'x86 executable installer' choice. This is actually a fine choice: you don't need the 64-bit version even if you have 64-bit Windows, the 32-bit Python will work just fine.

If you're running Windows XP: a complete guide to installing ActivePython is at Python on XP: 7 Minutes To 'Hello World!'. ShowMeDo has two videos for downloading, installing and getting started with Python on a Windows XP machine - this series talks you through the Python, ActivePython and SciPy distributions. Note that the python.org releases only support versions of Windows that are supported by Microsoft (at the time of the release), so no recent release from python.org can be used on WIndows XP.

Mac

See the Python for Mac OS X page. MacOS from 10.2 (Jaguar) to 10.15 (Catalina) includes a system version of Python 2, but it is best not to consider this the Python to use for your programming tasks - install a current Python 3.x version instead. MacOS after 10.15 (Catalina) will not include a default system Python.

Linux

For Red Hat, CentOS or Fedora, install the python3 and python3-devel packages.

For Debian or Ubuntu, install the python3.x and python3.x-dev packages.

For Gentoo, install the '=python-3.x*' ebuild (you may have to unmask it first).

For other systems, or if you want to install from source, see the general download page.

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There are multiple ways of installing IPython. This page contains simplified installationinstructions that should work for most users. Our official documentationcontains more detailed instructionsfor manual installation targeted at advanced users and developers.

If you are looking for installation documentation for the notebook and/or qtconsole,those are now part of Jupyter.

I already have Python¶

If you already have Python installed and are familiar with installing packages, you can get IPython with pip:

I am getting started with Python¶

For new users who want to install a full Python environment for scientific computing anddata science, we suggest installing the Anaconda or Canopy Python distributions, which provide Python, IPython and all of its dependences as well as a complete set of open source packagesfor scientific computing and data science.

1. Download and install Continuum’s Anaconda or the free edition of Enthought’s Canopy.
2. Update IPython to the current version using the Terminal:

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Anaconda:

Enthought Canopy:

Downloads¶

You can manually download IPython from GitHub or PyPI. To install one of these versions, unpack it and runthe following from the top-level source directory using the Terminal: