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1. iPython: https://drive.google.com/file/d/16VlVz1Bqj9dsoA5XRXUWT4Bvhee6J_Xf/view?usp=sharing
2. PDF: https://drive.google.com/file/d/1CmYP1W9eo1w4MDcCS7L9hnsulTXUBfKx/view?usp=sharing
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