Implement the same thing with shorter code — The beauty of Python lies in its simplicity. Not only because Python’s syntax is elegant, but also due to it has many well-designed built-in modules that help us implement common functionalities efficiently. The itertools module, which is a good example, provides many powerful tools for us to manipulate Python iterables…

Handling text like a guru — Whenever you meet problems with text manipulations, regular expressions (regex) are always your best friends. However, it’s hard and impossible to remember all the complex rules of them. Even merely reading the syntax is overwhelming. Therefore, the best way to learn regex is by learning practical examples of them. This…

Do more by less code — Making a function work is one thing. Implementing it with precise and elegant code is another. As the Zen of Python mentioned, “beautiful is better than ugly.” A good programming language like Python will always provide appropriate syntax sugar to help developers write elegant code easily. This article highlights 19…

Leveraging the powerful bitwise operator — How to swap two variables in place? No matter which programming language you are using, the answer is always the XOR trick: a = 5 b = 7 a = a ^ b b = a ^ b a = a ^ b print(a,b) # 7 5 If you are…

And how to use them properly — Iterable and Iterator are essential Python concepts, and many built-in data structures, such as list ,tuple , dict , set and str are Iterables. However, the concepts are not intuitive enough for beginners. Basically, the difference between Iterable and Iterator is: Iterable can print all its elements at once. …

Leverage AI for a better living — To say ChatGPT is a challenger to Google is still an understatement. ChatGPT has been the most significant breakthrough in the tech industry for all these years. When it was born, some people thought ChatGPT was just a better chatbot. But since there are many software developers all around the…

Handling strings in a Pythonic way — Strings are primitive and essential data structures that every Python developer will handle. As said in the zen of Python, “simple is better than complex”, we can always improve our code with a more Pythonic string manipulation trick. Talk is cheap. Here are 9 must-know Python string operation tricks with…

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…