In Python, you must open files before you can read data from the file and write new data into the file. Python’s close() method closes an open file. You can call the close() method multiple times. However, after closing the file, you cannot access its data anymore. The close() method takes no parameter and has … Read more
Want to remove an element at a given position i in a list a? Simply use the del a[i] operation to remove the element at index position i. Here’s the Python code example: This is the easiest way of removing a list element at a certain position. You can even use slicing to remove a … Read more
The yearly StackOverflow Developer Study is the largest of its kind. Every year, more than 90,000 developers participate by answering a 20-minute questionnaire. Because of the great insights, the StackOverflow study is a must-read for uprising developers and coding talents. This article gives you a short overview of the key highlights of the survey. Interestingly, you can … Read more
Nothing to add—let’s get started! ? Python is the fastest-growing major programming language. A StackOverflow 2019 developer survey shows that Python is not only faster growing than C++, Java, JavaScript, and any other major programming language, it also comes with a happier community that loves the language most. Python is great for machine learning. Python comes with … Read more
Today, there’s a global competition in the coding market. If you create your coding business online, you compete for business with coders all around the world. Become a self-employed freelance coder in the trendiest programming language in the universe! And there are great coders in India, Pakistan, and other countries who have a great advantage … Read more
I’m not a (medical) doctor. But many studies show that a high level of Omega 3 in your blood leads to a longer and healthier life: “Higher circulating individual and total [Omega 3] levels are associated with lower total mortality.” [1] But which foods do contain the highest levels of Omega 3? Solve this Python … Read more
In my Python freelancer course, I get a lot of ambitious programmers who want to earn money online. Many of them ask the question of how on earth they can generate passive income as a programmer. Well, the answer is obvious to me—but many upcoming freelancers are surprised by this opportunity. Today I want to … Read more
If you create an online coding business, you’ll need traffic like blood through your veins. Traffic gives you what Donald Trump calls “Deal Flow”—the ability to continuously improve your conversion and create new opportunities. However, creating organic traffic is a long-term strategy that does not only take a lot of time until your blog gains … Read more
Many coders struggle with Python built-in string functions. Instead of reusing the great functionality implemented by experts in the field, they reinvent the wheel implementing string functions on themselves. Ultimately, they lose time, money, and energy—writing inefficient code! Don’t let this be you. ? Here’s a tiny Instagram tutorial that shows you the most important … Read more
For my new book “Python Brain Games” (to appear in 2019, follow my email training program to get updates), I’m experimenting with a new code puzzle type: logics puzzles and brain games. It’s like Sudoku for coders! ?? Can you solve these five puzzles in five minutes? You can find the solutions at the end … Read more
This is a first draft for an introductory chapter of the fifth book of my “Coffee Break Python” series. If you want to follow the updates of this book, subscribe to my Python email training program where I’ll announce the book as soon as it’s ready. A large body of psychological research divides your general … Read more
This is a common question on many forums. And the answer is — it only takes a few seconds. It’s all about your self-perception. Writing my first (Python) book was hard. It was hard to produce unique text, day after day, without any immediate feedback from the market. Working on such a long-term project without getting any … Read more