RAG notebook with retrieval and evaluationCodingYou are given a Python notebook with a small retrieval-augmented generation pipeline half built. A pandas DataFrame holds the passages, and helpers for loading data and calling an…
Last asked Sep 2026
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Workspace event analytics in Python and SQL: top events, plans and blocksCodingA data phone screen over a document workspace's product data: an event log, a user table and the tree of blocks that documents are made of. The questions come one after another on…Last asked Mar 2026
Time-series manipulation with pandas groupbyCodingYou get a pandas DataFrame events with columns userid, eventtype, tsutc (UTC timestamps) and revenue. Write idiomatic, vectorized pandas (no Python loops over rows) for five…Last asked Aug 2025
Total covered time per session from overlapping clipsCodingA dataset of autonomous-driving clips stores one time interval per row. Clips from the same run can overlap, repeat or leave gaps. For each run, compute the total time covered by…Last asked Jul 2025
Build a small data pipeline with pandasCodingA Python project round: implement a small data pipeline with pandas in about 90 minutes, then walk an engineer through your solution and answer questions on how you would extend…Last asked Sep 2024