Python Installation Guide¶
The programming language Python has a number of packages associated with it and we recommend installing the Conda package management system to help maintain your Python environment.
Note
these install instructions will install a Python3 default environment with a Python2 backup.
If there is an old version of anaconda you can remove it with
~$ rm -rf ~/anaconda*
Download the image or install script from https://www.anaconda.com/download/
On Ubuntu¶
install via the command line
~$ bash ~/Downloads/Anaconda3-4.3.1-Linux-x86_64.sh
Answer yes to the path adding question
Restart terminal
On OSX¶
Run the installer on the downloaded image
Answer yes to the path adding question
restart terminal
On Windows¶
Ensure that you install the
Anaconda installer for Windows
for Python 3Double-click the .exe file
Follow the instructions on the screen
If you are unsure about any setting, accept the defaults. You can change them later. When installation is finished, from the Start menu, open the Anaconda Prompt.
https://conda.io/docs/user-guide/install/windows.html
Then run this to create a working python 2 environment¶
~$ conda create -n py2 python=2 anaconda
To activate the python 2 environment
~$ source activate py2
To toggle back to a Python3 environment
~$ source deactivate py2
Then ensure you can run Jupyter with Py2¶
~$ source activate py2
~$ conda install notebook ipykernel
~$ ipython kernel install --user
Keeping conda up-to-date¶
~$ conda update conda
~$ conda update --all