​New "Coffee Break Python" ​​Workbook

​Do ​​​​​You ​Want to ​Learn Python 44% ​Faster?

​A scientifically proven way to learn Python 44% faster, build your new ​high-income coding skill, and put yourself on the road to Python mastery!

​I started to learn Python as a computer science student. And it was very inefficient.

​Although I ​​had very limited time, I did not appreciate the value ​of ​time as my scarcest resource. 

So I spent days ​browsing the web ​to find ​a ​resource that may help ​​improve ​my Python skills.

​​But​ the web is full of crap. Any self-proclaimed "Python teacher" can create a WordPress blog, express their opinion, and hit "publish". And potentially millions of young coders will all ​waste learning time ​studying ​search-engine-optimized content.​

​Don't get me wrong, I love ​blogging and the democratization of information. The problem is that it becomes harder for you to find the needle in the hayst​ack: how to learn more efficiently? Many so-called "Python tutorials" are really brain dumps of ​intermediate Python coders and not tailored towards effective learning.

​​As a student, I was a victim​ -- flooded by non-filtered, massive amounts of ​low-quality Python ​information. And even ​when I stumbled upon objectively correct ​information​, it was of ​poor educational ​value for me.


​Because the self-proclaimed coding teachers just did not use the solid foundations of good teaching, let alone the latest research findings ​of effective learning.

​For example, have a look at this important ​research outcome of a 2007 educational ​paper:

"Students who were quizzed after studying a short text could recall significantly more information than students who were asked to reread it"

-- Karpicke, 2007, Elsevier Journal of Memory and Language 

​When diving into the research​ -- discovering dozens such golden nuggets of smarter learning -- I realized:

​Practice testing is scientifically proven to generate ​up to 44% better learning retention and ​efficiency.​

​​Simply put: quizzes and puzzles work!

So why is nobody using it?

In fact, learning ​does not happen in a linear and orderly ​manner​. It's a probabilistic, chaotic, and iterative process of creating knowledge gaps in your brain -- and ​filling them with just the right information​ you need.

That's the premise of ​the "Coffee Break Python" textbook series.

​​​For other ​coding books, you have no way of measuring your learning progress. ​

​But ​what you don't measure, doesn't get improved! As it turns out, the reverse statement ​holds as well (even ​though it does not strictly follow from a logics point of view): what you measure, gets improved!

​Solving rated Python puzzles and quizzes ​is ​a fun way to measure your Python skills. 

It's true: ​​​​randomly ​browsing online Python tutorials is a waste of your scarcest resource​ -- ​TIME.​​

​​That's why I have created a brand-new learning system. ​Its foundation is puzzle-based learning to code, it's rooted in educational research, and it's practically proven by more than ​100,000 online coders on my web application Finxter.com.

​My students report that learning with this ​system is not only fun -- it simply works.

​​Now lean back, relax, and ​allow me to present you the information in a way that's optimized for fast learning and retention:

  • ​I ​did the digging and aggregating of the most ​practical Python information,
  • I skimmed through the newest research of educational science ​in order to present you the material in the most effective way​, and
  • ​I designed a fun way of delivering the skill of rapid code understanding directly into your brain.

And here's what you are getting out of it:

  • ​You'll understand Python code ​better.
  • ​You'll be able to look at a piece of Python code and grasp the meaning rapidly -- just like a grandmaster of chess looking at a chess board.
  • ​​​​​You'll ​get a deeper understanding of the basics such as keywords, data structures, and tricks -- and set yourself up to Python mastery.
  • ​You'll track your Python skill level exactly and compare it against other coders.
  • ​BONUS: You'll get your final rating number to estimate your true skill level in Python.

The promise: As you work through Coffee Break Python - Workbook, your Python expertise will grow. One coffee at a time.

You will train wildly important Python topics such as

  • 1
    Arithmetic operations: integer & float division, and modular arithmetic;
  • 2
    Language elements: branching, loops, keywords, and functions;
  • 3
    Data structures: integer, float, string, list, set, and dictionary​;
  • 4
    Sequence operators: indexing, concatenation, slicing, and built-in functions;
  • 5
    Function *arguments: default *, arbitrary *, unpacking *, keyword *; and
  • 6
    Set operations: lambda, filter, map, and intersection functions.

As a bonus, you will track your individual Python coding skill level throughout the book.

This book is not only for beginners in Python. ​

​It's also for those who are already beyond ​beginner-level in Python​. For example, you ​may already have some experience with another programming language​; you may be an engineer​​; or you ​may be a computer science student. 

But if you are a coding pro, this book is still for you because it ​empowers you to prove and strengthen your true Python skill level.

​​​​Know ​thyself and you​ will know the universe!

Take a Sneak Peek Inside The ​​Ebook

​Below are some snapshots of a few selected pages from the eBook (click to enlarge).

BONUS: Puzzles as Python Scripts

​... You'll also get ​127​ Python scripts to play around with!

​Each Python puzzle in the book is ​stand​alone, which means that you can solve each puzzle independently.

You get ​127 Python code puzzles as Python scripts (.py) -- one for each Python puzzle in the eBook.

​Download the files, play with them, explore them on your own computer.

This helps you learn Python even faster!

About the Author

Be a server, not a client!

​Christian Mayer, Computer Scien​ce Researcher

​I just finished working as a doctoral computer science researcher on distributed systems in Germany. As a researcher, I have taught many students in computer science, graph theory, and distributed systems. 

My passions are writing, reading, and coding. But my #1 passion is to serve aspiring coders through Finxter and help them to boost their skills. 

How do you spend your Coffee Break? Python!

  • ​​127 educative code puzzles to test your skills and to make learning easy and fun!
  • ​10 tips for efficient learning​ to help you stop wasting time!
  • ​5 Python cheat sheets to learn 80% of the language features in 20% of the space!
  • ​1 accurate way to measure your coding skills because clarity is the first step to success!

​[​​Special ​Workbook Offer]

  • ​Buy the eBook ​"Coffee Break Python Workbook"​​.​

What's the only difference between you and the person earning ​double your ​income? ... Skills!

Start developing your new high-income skill "Python coding" for only $2​9!


(Limited Time Offer)

Contains the following three versions of the eBook "Coffee Break Python Workbook: ​127 Python Puzzle to Push You From Zero to Hero in Your Coffee Breaks"

  • 1
    ​High-resolution PDF eBook optimized for large Desktop screens

​​Your Python skills improve by ​>33%​​. Guaranteed.

​If you don’t think that the book is worth your time, you’ll get 100% of your money back ​for as long as ​60(!) days after the purchase! Just like that. And you keep the book for free​.

​Promise: If you read this book, your Python skills will measurably increase by at least 33% or it’s free.

Here is how it works: You simply ​test your skills for free at ​the online Python training platform Finxter.com before and after reading.​ Even after the 60 days, you'll get your money back if your skills didn't improve by 33%.


​I​t has some real meat to the problems. Thank you so much for doing this project! I love it!


​Python Developer


​I really enjoy the puzzles and the book, and I recommend it to my friends interested in python ☺️

​Python Student


​I have never learned so deeply!

​Python ​Student

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