notebook -- make it possible to debug Python code in the notebook, e.g., something like pdb that works in the notebook #7509
Description
NOTE: "sage -coverage" claims less than 100% coverage, but there is 100% coverage. It's a bug in the coverage script that it doesn't count doctests marked with >>>.
CC: @novoselt @sagetrac-whuss
Component: interact
Author: William Stein, Wilfried Huss
Reviewer: David Roe
Merged: sage-5.0.beta3
Issue created by migration from https://trac.sagemath.org/ticket/7509