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Durable Inbox and Outbox: Solutions Guide

Study the durable inbox and outbox in Chapter 8. Find the matching worked notebooks and compare their reasoning with the attempt you saved first.

Available draft · two ninety-minute units · construction edition

Retain your own attempt before reading these worked solutions. Explain the reasoning, then solve a changed case without looking.

SessionNotebookMatching textPurpose
A · 90 minutesA: durable work inboxMarkdownConstruct, connect and explain
B · 90 minutesB: report outbox and a lost replyMarkdownDiagnose, repair and transfer

Each notebook includes its own setup, first-principles introductions and supplied tables, and needs only Python's standard library. Use Google Colab (Python 3.12) or a local Python 3.12+ Jupyter kernel. No repository checkout, previous notebook kernel or live account is needed. Unit B can use an explicitly selected successful Unit A handoff; an invalid selected file refuses rather than substituting an answer.

Ninety minutes is the planned work allowance per unit. Actual completion time and understanding require classroom observation.

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