Summary:
Pull Request resolved: https://github.com/facebookresearch/faiss/pull/3465
This commit include python version of tutorial for FastScan. It includes all the parameters enabled within PQFastScan.
Reviewed By: junjieqi
Differential Revision: D57594044
fbshipit-source-id: cb12679b6fc241a654b9545c5bc7bd0517aa1813
