Data Batcher with Weighted Sampling

Problem Overview

You are given a DataRegistry implementation (provided in a notebook environment) that exposes an interface to retrieve an iterator over samples for a given dataset name. The iterator optionally accepts an offset argument (used in Part 2+). Implement a DataBatcher class in multiple parts: Part 1: Given a registry of…

• 3 candidate-reported follow-ups — the exact probes interviewers asked, with the trigger for each
• The rest of the problem statement — full requirements, constraints, and edge cases
• Approach and trade-offs — what passing candidates did, and the mistakes that sink people