
Pre-Owned Computer Programming : 6 Books in 1 - Beginner's Guide + Best Practices to Programming Code With Python, Javascript and Java
Key item features
Book 1 - Python: Beginner's Guide to Programming Code with Python
Book 2 - Python: Best Practices to Programming Code with Python
Book 3 - JavaScript: Beginner's Guide to Programming Code with JavaScript
Book 4 - JavaScript: Best Practices to Programming Code with JavaScript
Book 5 - Java: Beginner's Guide to Programming Code with Java
Book 6 - Java: Best Practices to Programming Code with Java
In this Definitive Python Beginner's Guide, you're about to discover...
- Essentials of Python programming. Quickly pick up the language and start applying the concepts to any code that you write
- Major facets of Python programming - including concepts you can apply to *any* language
- Various mechanics of Python programming: control flow, variables, lists/dictionaries, and classes - and why learning these core principles are important to Python programming success
- Object-oriented programming, its influence to today's popular computer languages, and why it matters
- ... And much, much more!
- General Concepts of Python Coding
- Python Coding Recommendations
- The best way to layout Python Code
- How to write comments
- Writing Conventions to follow
- How to write Function and Method Arguments
- ... And much, much more!
- Essentials of JavaScript programming. Quickly pick up the code examples found on the book and start learning the concepts as you code
- Major aspects of JavaScript programming - including concepts that are found on other computer languages
- How JavaScript and HTML are able to effectively work together to create better web pages
- ... And much, much more!
- Code more efficiently for Better Performance and Results!
- Spot the Common JavaScript Mistakes - From mismatched quotes, bad line breaks, HTML conflicts and more!
- Use Comments and Logging - the proper way to use comments and logging approaches that readers would thank you for!
- ... And much, much more!
- Essentials of Java programming. Read then pick up the language and start applying the concepts to learn better
- Major facets of Java programming
- ... And much, much more!
- The Essential Guidelines on how to Effectively Format your Java Code for Best Results!
- The Common Mistakes of Java Coding - and how to fix them!
- Practice Proper Naming Conventions for Coding Efficiency
- How and When to Use Java Comments
- ... And much, much more!
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What is Pre-Owned: Like New?
What is the Walmart Pre-Owned Program?
Walmart Pre-Owned allows you to find previously owned, well-cared-for items from Walmart’s trusted & performance-managed sellers. Shopping Pre-Owned allows you to bring home the best-quality picks at even lower prices, in addition to extending the life of an item & reducing waste. Find your favorites & shop a range of conditions in every category.
Why Walmart Pre-Owned?
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Each Pre-Owned item listed comes from Walmart’s trusted performance-managed sellers, to ensure you get quality items.

Quality you can afford
Save even more on top brands & your most-loved items.

30-day free returns
Don’t love it? Most items offer a 30-day* free return policy, for added peace of mind.
Sustainability
Shopping Pre-Owned helps in extending the life of an item & reducing waste.
Product image for illustration purposes only. The item you receive may vary from the image in minor ways, such as slight differences in appearance, color, and/or design. *Exceptions apply during holiday season, and on certain electronics, collectibles, and jewelry.
Pre-Owned: Like New
What is the Walmart Pre-Owned Program?
Walmart Pre-Owned allows you to find previously owned, well-cared-for items from Walmart’s trusted & performance-managed sellers. Shopping Pre-Owned allows you to bring home the best-quality picks at even lower prices, in addition to extending the life of an item & reducing waste. Find your favorites & shop a range of conditions in every category.
Why Walmart Pre-Owned?

Trusted sellers & quality items
Each Pre-Owned item listed comes from Walmart’s trusted performance-managed sellers, to ensure you get quality items.
Quality you can afford
Save even more on top brands & your most-loved items.

30-day free returns
Don’t love it? Most items offer a 30-day* free return policy, for added peace of mind.

Sustainability
Shopping Pre-Owned helps in extending the life of an item & reducing waste.
Product image for illustration purposes only. The item you receive may vary from the image in minor ways, such as slight differences in appearance, color, and/or design. *Exceptions apply during holiday season, and on certain electronics, collectibles, and jewelry.
