if you occasionally get problems opening your ipnyb files just occasionallyi've noticed that things can go little bit wrong when you double-click on jqzoc file don' panicjust sometimescanopy can get little bit flakyand you might see screen that is looking for some password or tokenor you might occasionally see screen that says it can' connect at all don' panic if either of those things happen to youthey are just random quirkssometimes things just don' start up in the right order or they don' start up in time on your pc and it' okay all you have to do is go back and try to open that file second time sometimes it takes two or three tries to actually get it loaded up properlybut if you do it couple of times it should pop up eventuallyand jupyter notebook screen like the one we saw previously about dealing with outliersis what you should see using and understanding ipython (jupyternotebooks congratulations on your installationlet' now explore using jupyter notebookswhich is also known as ipython notebook these daysthe more modern name is the jupyter notebookbut lot of people still call it an ipython notebookand consider the names interchangeable for working developers as result do also find the name ipython notebooks helps me remember the notebook file name suffix which is jqzoc as you'll get to know very well in this bookokay so now let' take it right from the top again with our first exploration of the ipython/jupyter notebook if you haven' yet done soplease navigate to the %bub djfodf folder where we have downloaded all the materials for this book for methat' %bub djfodfand if you didn' do so during the preceding installation sectionplease now double-click and open up the vumjfstjqzoc file