writing ipython notebooks basic intro to wakari after having logged in at the wakari io siteyou automatically enter an ipython notebook with short introduction to how the notebook can be used click on the new notebook button to start new notebook wakari enables creating and editing plain python files tooclick on the add file icon in pane to the leftfill in the program nameand you enter an editor where you can write program pressing execute launches an ipython session in terminal windowwhere you can run the program by run prog py if prog py is the name of the program to download the fileselect test py in the left pane and click on the download file icon there is pull-down menu where you can choose what type of terminal window you wanta plain unix shellan ipython shellor an ipython shell with matplotlib for plotting using the latteryou can run plain python programs or commands with graphics just choose the type of terminal and click on +tab to make new terminal window of the chosen type installing your own python packages both sagemathcloud and wakari let you install your own python packages to install any package packagename available at pypi run terminal pip install --user packagename to install the scitools packagewhich is useful when working with this bookrun the command terminal pip install --user - git+ writing ipython notebooks the ipython notebook is splendid interactive tool for doing sciencebut it can also be used as platform for developing python code you can either run it locally on your computer or in web service like sagemathcloud or wakari installation on your computer is trivial on ubuntujust sudo apt-get install ipython-notebookand also on windows and mac by using anaconda or enthought canopy for the python installation the interface to the notebook is web browseryou write all the code and see all the results in the browser window there are excellent youtube videos on how to use the ipython notebookso here we provide very quick "step zeroto get anyone started