Thanks for your prompt and very helpful reply. I am happy to wait a couple of weeks to use the official version 9.0 for testing the sage content of the book. Best, Manfred
On Wednesday, December 25, 2019 at 3:35:41 PM UTC+1, Eric Gourgoulhon wrote: > > Congratulations for the book. It looks very nice! > > The switch to Python 3 shall take place in early January, with the release > of SageMath 9.0. > You can see some details on https://wiki.sagemath.org/Python3-Switch. > <https://wiki.sagemath.org/Python3-Switch> > As you say, your code examples are likely to work without any change, > except for the print command, which must replaced by the print() function. > A thing that certainly must be updated is the reference to Sage notebook > in Sec. 1.8.1 (page 63): the default notebook is now Jupyter. It is > launcher with > sage -n jupyter > not with notebook(). > You can export your old Sage notebooks (*.sws) to the Jupyter format > (*.ipynb) via the command > sage -n export > > A big advantage of Jupyter notebooks is that it is very easy to share them > online provided they are stored in some public repository, like github or > gitlab: non-interactive versions are displayed with nbviewer.jupyter.org > while interactive ones are launched via binder. <https://mybinder.org/> > You can see many examples here > <https://sagemanifolds.obspm.fr/examples.html> (nbviewer) or here > <https://github.com/egourgoulhon/SageMathTour/blob/master/README.md> > (binder). > > Best wishes, > > Eric. > > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/4f0cb16a-af87-4809-a67c-945cb622affa%40googlegroups.com.