Build an inspectable Python document assistant, study real local-model results and failures, and evaluate retrieval, citations and missing evidence.
- For
- Python developers building their first document assistant
- Bring
- Basic Python and command-line familiarity. Python 3.10 or later. The companion code uses the standard library.
AI-assisted · Independent human review pending
38 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time
Build a transparent evaluation engine for ranked evidence, graded relevance, unknown questions and paired regression analysis.
- For
- Python developers responsible for document search and RAG evaluation
- Bring
- Python functions, lists and dictionaries; Basic JSON and terminal commands.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time
Build strict parsing, field validation, evidence correspondence and refusal handling for synthetic extraction responses.
- For
- Python developers integrating generated data into applications
- Bring
- Basic Python dictionaries and exceptions; Familiarity with JSON objects and strings.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time
Create an offline comparison harness with explicit expectations, preserved fixtures, failure reasons and bounded release gates.
- For
- Python developers maintaining prompts and generated responses
- Bring
- Python dictionaries, lists and tests; Basic JSON and terminal use.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time
Inspect word provenance, candidate ranking, context budgets and annotated evidence coverage in a deterministic local lab.
- For
- Python developers debugging document retrieval and context construction
- Bring
- Python lists, dictionaries and functions; Basic document retrieval concepts.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time
Build an explicit boundary between an agent's proposed action and a tool's permitted effect, with strict inputs, bounded outputs, replay receipts, and failure tests.
- For
- Python developers adding tools to assistants and agents
- Bring
- Read Python functions and dictionaries; Run a local Python command; Understand JSON objects.
AI-assisted · Independent human review pending
22 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time
Turn synthetic spans into a reproducible triage report, separate transport success from answer quality, and design telemetry that supports incident decisions without copying every prompt.
- For
- Developers and operators maintaining AI-powered applications
- Bring
- Read basic JSON and Python; Understand a request and response; Run Python unittest.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time
Construct a small policy-grounded evaluation dataset with clear provenance, boundary cases, group-preserving splits and reviewable labels, without pretending synthetic examples represent real traffic.
- For
- Developers and evaluation leads building early AI test suites
- Bring
- Understand JSON arrays and objects; Read Python conditionals; Know the difference between development and holdout data.
AI-assisted · Independent human review pending
22 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time
Build a transparent scorecard from synthetic paired runs, keep critical failures visible, report slice performance and inspect cost-quality-latency tradeoffs without hiding them in one rank.
- For
- AI product engineers and evaluation owners choosing release candidates
- Bring
- Read JSON and simple Python; Calculate a mean and a percentage; Understand a test case and expected outcome.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Python and data workflows
Build a standard-library CSV reporting workflow that validates records, preserves rejected rows and produces reproducible branch summaries.
- For
- Python beginners who already use spreadsheets and need dependable recurring reports.
- Bring
- Basic Python functions and dictionaries; Running a terminal command; Understanding rows and columns.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Python and data workflows
Build an inspectable SQLite reconciliation that aggregates receipts at invoice grain and separates mismatches, unpaid invoices and orphan receipts.
- For
- Analysts who can read basic SQL and need to compare two business extracts.
- Bring
- Basic SELECT and GROUP BY; Python dictionaries and lists; Understanding primary keys.
AI-assisted · Independent human review pending
22 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Python and data workflows
Build a deterministic batch-ingestion planner that validates JSON Lines files, rejects ambiguous identities and distinguishes retries from changed content.
- For
- Python developers moving from one-off file imports to repeatable batch workflows.
- Bring
- Python functions, exceptions and sets; Basic JSON; Running local unittest tests.
AI-assisted · Independent human review pending
20 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Python and data workflows
Implement an inspectable shipment-quality engine that separates field validity, cross-field consistency, reference checks and overdue warnings.
- For
- Analysts and Python developers who need quality checks that help people repair source data.
- Bring
- Basic Python functions and dictionaries; JSON arrays and objects; Calendar date basics.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Python and data workflows
Build a SQLite diagnostic that contrasts raw ticket/tag/comment joins with a grain-preserving result and explains duplicate links and missing partners.
- For
- SQL analysts whose totals change unexpectedly after adding joins.
- Bring
- SELECT, JOIN and GROUP BY; Primary and foreign key concepts; Basic Python to run the companion.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Python and data workflows
Build a zoneinfo session normalizer that handles ambiguous local times, rejects nonexistent times and separates elapsed duration from wall-clock differences.
- For
- Python developers and analysts handling appointments or reports across time zones.
- Bring
- Python datetime basics; JSON records and exceptions; Understanding calendar dates and clock times.
AI-assisted · Independent human review pending
20 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Python and data workflows
Implement last-value, seasonal-naive and moving-mean forecasts on a daily series, then compare them using the same one-step rolling-origin evaluation.
- For
- Analysts who want a trustworthy baseline before trying more complex forecasting models.
- Bring
- Basic Python lists and functions; Arithmetic mean and absolute difference; Calendar dates and ordered observations.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Python and data workflows
Build an offline contract audit for fictional request and response envelopes, then inspect compatibility risks that a version label cannot resolve.
- For
- Python developers, data integrators and analysts working with API payloads
- Bring
- Basic Python and familiarity with JSON objects; Python 3.10+ and a terminal for the optional companion.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Business and customer analytics
Build a defensible feedback brief with evidence IDs, selection limits, competing explanations and a repeatable Python audit.
- For
- Customer experience analysts, product managers and service owners
- Bring
- Basic spreadsheet arithmetic and familiarity with the topic; Python 3.10+ and a terminal for the optional companion project.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Business and customer analytics
Develop a compact feedback codebook, adjudicate a reference set and audit coverage, precision and recall without hiding ambiguous records.
- For
- Customer insight teams, support analysts and feedback operations leads
- Bring
- Basic spreadsheet arithmetic and familiarity with the topic; Python 3.10+ and a terminal for the optional companion project.
AI-assisted · Independent human review pending
22 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Business and customer analytics
Build calendar-month activity cohorts from event records, distinguish mature zeroes from unavailable cells and write a bounded retention readout.
- For
- Product analysts, customer success teams and practical data learners
- Bring
- Basic spreadsheet arithmetic and familiarity with the topic; Python 3.10+ and a terminal for the optional companion project.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Business and customer analytics
Create a transparent workload model, stress its demand and availability assumptions and distinguish planning headcount from queueing and scheduling guarantees.
- For
- Support operations analysts, team leads and workforce planning beginners
- Bring
- Basic spreadsheet arithmetic and familiarity with the topic; Python 3.10+ and a terminal for the optional companion project.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Business and customer analytics
Write a practical two-arm experiment readout with clear units, absolute and relative effects, Wilson arm intervals and explicitly limited difference intervals.
- For
- Product analysts, experimentation beginners and business decision owners
- Bring
- Basic spreadsheet arithmetic and familiarity with the topic; Python 3.10+ and a terminal for the optional companion project.
AI-assisted · Independent human review pending
20 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Business and customer analytics
Build an operational automation estimate that separates task eligibility, adoption, review, rework and ongoing maintenance, then stress the assumptions.
- For
- Operations managers, automation builders and business analysts
- Bring
- Basic spreadsheet arithmetic and familiarity with the topic; Python 3.10+ and a terminal for the optional companion project.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Business and customer analytics
Create a compact handoff system with owners, backups, next actions, dependencies and dated review, supported by a structural Python validator.
- For
- Operations leads, service owners and teams preparing role or shift transitions
- Bring
- Basic spreadsheet arithmetic and familiarity with the topic; Python 3.10+ and a terminal for the optional companion project.
AI-assisted · Independent human review pending
21 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time

Business and customer analytics
Design a compact operational dashboard around documented decisions, denominator and freshness guards, and an inspectable rule-evaluation tool.
- For
- Business analysts, dashboard designers and operational service owners
- Bring
- Basic spreadsheet arithmetic and familiarity with the topic; Python 3.10+ and a terminal for the optional companion project.
AI-assisted · Independent human review pending
23 pages · 9 chapters · PDF + EPUB
$2.99USD · one-time
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