Pythonic is a synonym for elegant — “Beautiful is better than ugly.” This is not only the first sentence of “The Zen of Python”, but also the creed for all Python developers. But how to distinguish between beautiful and ugly code? More importantly, how to write beautiful Python code? Talk is cheap. This article will demonstrate 9…

Execute your Python scripts as bash commands — Writing Python scripts to build command-line interfaces(CLI) is a widely-used technique for DevOps and backend development. The key to implementing CLI in Python is the built-in argparse module. It provides all necessary functionalities and makes it possible to use a Python script as a bash command. This article will introduce…

Beyond basic CRUD — Python is easy to learn but hard to master. For example, the CRUD (create, read, update, and delete) operations of Python lists are easy and fundamental, but merely knowing them is not enough to handle some complicated scenarios. This article will show you seven advanced list operations to make your…

Make your day — So, you just fixed a hidden bug that annoyed users for weeks and you’re having some colleagues around. They will, especially the product manager, provide compliments galore on your impeccable problem-solving and programming skills. But why let the ego boosts stop there? A casual mention of these fun facts about…

Diving into the unexpected parts of Python — Python is an elegant language, but far from perfect. There are some weird features of Python that may confuse even senior developers. Talk is cheap. This article will display the confusing Python snippets in front of you and give you a precise explanation of them. 1. There is an “else” statement, but no “if” Many programming languages have the…

Beyond the normal Python — IPython, as a supercharged interactive Python shell, is the kernel of Jupyter Notebook and the best friend of data scientists. Of course, we can merely use IPython as a normal Python prompt without harnessing any special tricks. However, it would be a big leverage if you can spend a while…

How fast is your Python code? — So, you wrote an elegant Python program and it worked as expected. Congratulations! 🎉 But to be fair, it’s just the first step. 🙂 A bug-free program is not necessarily fast enough. In reality, a Python developer should know a few tricks to evaluate the execution time of code. It…

What’s the differences between time(), process_time(), thread_time(), perf_counter() and monotonic()? — It’s not hard to calculate a Python program’s execution time. The basic idea is to capture the start and end timestamps of a program and get the difference between them. However, what makes things complicated is that Python has many built-in timers and it’s not always easy to choose the…