Implement ToDo List for AI

CodingPerplexityLast reported May 2026Medium Frequency
Reported
4× across candidate reports
First seen
November 2025
Last reported
May 2026
Reported outcome
mixed

Problem Overview

Implement a ToDo list system 'for AI' in Python. Given three classes — TaskStatus (Enum), Task, ToDoList — solve a 4-part problem, each part with its own hidden test file and a test that forbids regressing earlier parts. Part 1: add/get/update_status (CRUD). Part 2: task dependencies — each task must…

  • 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
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Verified Source
Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.
Codex Fact-Checked
Technical claims, formulas, and scale numbers are reviewed against primary sources.
Interviewer Follow-ups
The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.
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