Python Testing and Debugging for Beginners: Write Better Code and Fix Errors wit

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Python Testing and Debugging for Beginners by Thom Haagenrud

Does your program stop working without telling you what went wrong-or run successfully while producing the wrong result?Programming mistakes are normal. The real skill is knowing how to find them, understand them, correct them safely, and prevent them from Testing and Debugging for Beginners is a practical, step-by-step guide to building reliable programs and solving common coding problems without relying on guesswork. Written for new and self-taught programmers, it explains testing and troubleshooting in plain language while using realistic examples that make each technique easier to will begin by learning how to recognize syntax problems, runtime failures, logic mistakes, and environment issues. From there, you will discover how to read tracebacks, isolate faulty behaviour, create focused functions, and confirm that your programs work as this practical guide, you will learn how to: - Read Python tracebacks without feeling overwhelmed
- Identify common problems such as TypeError, ValueError, KeyError, and AttributeError
- Design small functions that are easier to verify and maintain
- Create checks with assertions, unittest, doctest, and pytest
- Validate inputs, outputs, exceptions, boundaries, and edge cases
- Organize test files, suites, fixtures, and reusable setup
- Diagnose problems with print statements, logging, breakpoints, and pdb
- Verify programs that work with CSV files, JSON data, time, and environment variables
- Isolate external dependencies with mocks, patches, and test doubles
- Measure coverage and identify important behaviour that has not been checked
- Refactor existing programs without accidentally breaking them
- Understand the basics of continuous integration and team-based workflows
- Complete exercises involving calculators, expense trackers, data importers, and notification servicesEvery chapter combines clear explanations with practical examples, troubleshooting advice, best-practice checklists, and concise recaps. You will see how professional habits can be applied to small scripts, assignments, automation tools, data projects, and larger advanced programming background is required. The lessons are designed for readers who already understand basic variables, functions, lists, and dictionaries but need a dependable process for improving unreliable making random changes and hoping the problem disappears. Learn how to investigate failures systematically, verify expected behaviour, and create programs you can building dependable software and develop the problem-solving habits that every capable programmer needs.

FORMAT
Paperback CONDITION
Brand New Details ISBN Author Thom Haagenrud Pages 312 Publisher Independently Published Year 2026 ISBN-13 9798185528174 Format Paperback Publication Date 2026-07-04 Imprint Independently Published Subtitle Write Better Code and Fix Errors with Confidence Audience General Country of Origin US Product Class Description Computing: Professional & Programming
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