gistfile1.txt

[130] grahamc@Morbo> nix-shell -p python35Packages.jupyter_console --pure                                                             ~

[nix-shell:~]$ jupyter console
Jupyter console 5.0.0

Python 3.5.3 (default, Jan 17 2017, 07:57:56) 
Type "copyright", "credits" or "license" for more information.

IPython 5.3.0 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.



In [1]: o
---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-1-e73af3637631> in <module>()
----> 1 o

NameError: name 'o' is not defined

In [2]:                                                                                                                                 
Do you really want to exit ([y]/n)? y
Shutting down kernel