Chris

While working as a researcher in distributed systems, Dr. Christian Mayer found his love for teaching computer science students.To help students reach higher levels of Python success, he founded the programming education website Finxter.com that has taught exponential skills to millions of coders worldwide. He's the author of the best-selling programming books Python One-Liners (NoStarch 2020), The Art of Clean Code (NoStarch 2022), and The Book of Dash (NoStarch 2022). Chris also coauthored the Coffee Break Python series of self-published books. He's a computer science enthusiast, freelancer, and owner of one of the top 10 largest Python blogs worldwide.His passions are writing, reading, and coding. But his greatest passion is to serve aspiring coders through Finxter and help them to boost their skills. You can join his free email academy here.

Recursion: A Helpful Guide in Python

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Recursion is a powerful tool in your coding toolbox. Understanding it is a key skill on your path to mastery. This article gives you a thorough introduction to this important computer science concept. What is Recursion? Stephen Hawking used a concise explanation: “to understand recursion, one must first understand recursion.” Recursion is a concept in … Read more

Python: “0.1 + 0.2 ≠ 0.3”. Me: “?”

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Python Representation Error: This article explains why floating-point arithmetic can lead you astray in Python. Floating-point arithmetic cannot represent some numbers precisely. While many people think it’s a bug, it’s actually not. Have a look at the following code snippet: In the code snippet, you have assumed that the number 0.1 actually represents the decimal … Read more