How to cache in IPython Notebook?

Question

Environment:

• Python 3
• IPython 3.2

Every time I shut down a IPython notebook and re-open it, I have to re-run all the cells. But some cells

Answer 1

Use the cache magic.

%cache myVar = someSlowCalculation(some, "parameters")

This will calculate someSlowCalculation(some, "parameters") once. And in subsequent calls it restores myVar from storage.

https://pypi.org/project/ipython-cache/

Under the hood it does pretty much the same as the accepted answer.