Jupyter notebook for reusing_functions example (reusing_functions #1179…

…) (#1189)

Updates example to have jupyter notebook variant.

* Jupyter notebook for reusing_functions example

* Update reusing_functions.ipynb

removing import -- not needed.

* Update reusing_functions.ipynb

updates driver creation to latest approach.

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Co-authored-by: Stefan Krawczyk <[email protected]>