The short answer is 80 bytes. Here’s the longer answer: In Python, you can determine the size of any object x by using the function sys.getsizeof(x). The complex number consists of two parts: the real and the imaginary part. On my notebook, a complex number is represented by 32 bytes: Note that the sys.getsizeof() method … Read more
Yesterday, I got a great question from one of my “Coffee Break Python” email course readers: I once read that {list, dictionary, tuple} comprehension can substitute any lambda code. Is that true? Is lambda, filter, map really essential? — Albrecht, Finxter Member Python’s creator, Guido van Rossum, doesn’t like functional programming a lot. That’s well-known. … Read more
Many people have a negative attitude toward investing money. The reason is that there are so many companies that do not bring good into the world. However, investing is one of the most profound things in nature. Every plant invests energy into creating seeds out of which grow more of its sort. A lot more … Read more
Is your coding interview coming closer? Or do you want to learn Python but you don’t know where to start (and on which topics to focus)? In this article, I will answer this question for you assuming that you are talking about core Python knowledge. Of course, there are dozens of different specializations within Python—but … Read more
Of course, it will! I doubt that there’s any job today that won’t be replaced by general AI. But even if you don’t believe in general AI, there will be specific AIs optimized to write cleaner code with fewer bugs (and don’t bitch about working conditions). Humans are inherently bad at coding. It’s even hard for … Read more
Not at all. There are at least four reasons why you can start to learn to program at any age and become successful—especially if you are only 25 years old! First, you don’t need to become an expert programmer to pursue your dream job. Most jobs that most people would consider as “dream jobs” do … Read more
There are many fundamentally different ways of making money with Python. Freelancing is just one of them (although it’s an extremely attractive one that allows you to earn between $50 and $60 per hour as an average coder). Here are the different ways of how Python developers make money: Work as a full-time Python developer for a … Read more
In this article, I focus on Python developers who are working as employees in companies. If you are interested in the (even higher) salary of Python freelancers, check out this article on my blog. Because this is a common question on my blog, I’ve compiled a list of answers from various sources. Believe it or … Read more
Today, I could not really focus. My mind was constantly wandering back to my current book writing project (“Python One-Liners”, NoStarchPress, 2020). So I thought why not share a sample chapter today instead of creating new puzzles or content? Here’s a sample chapter about the best and most important Python one-liner tricks. Feel free to … Read more
Any aspiring programmer should focus on projects, not on online resources. As a coder, you must stay in it for the long term. If you are in it on the long-term, you are effectively on the path on exponential improvement (for a certain time): However, this is a very long process. Because of that, you … Read more
Coding is a very attractive industry right now. Freelance developers earn six figures with hourly rates that can easily reach $50 to $100. Demand soars—so naturally, supply is also on the rise: More and more people want to start to code. Here’s a simple strategy I have developed for my Python freelance course students that … Read more
During my time as a doctoral student in computer science, this was a common question. Every Ph.D. student constantly ponders this question. But most Ph.D. students can easily answer it: they go to industry. The reason is that after four or five years of studying computer science, and three to five years of working as doctoral … Read more