While reading the Python documentation, you may have found fragments of BNF notation (Backus–Naur form) that look something like the following: What’s the meaning of all this strange code? How can this help you in understanding Python concepts? How can you read and interpret this notation? In this tutorial, you’ll get to know the basics of Python’s BNF notation and learn how to take advantage of it to get a deep understanding of the language’s syntax and grammar. To get […]

In this tutorial on Python decorators, you’ll learn what they are and how to create and use them. Decorators provide a simple syntax for calling higher-order functions. By definition, a decorator is a function that takes another function and extends the behavior of the latter function without explicitly modifying it. This sounds confusing, but it’ll make more sense after you’ve seen a few examples of how decorators work. You can find all the examples from this tutorial by downloading the […]

PEP 8, sometimes spelled PEP8 or PEP-8, is a document that provides guidelines and best practices on how to write Python code. It was written in 2001 by Guido van Rossum, Barry Warsaw, and Alyssa Coghlan. The primary focus of PEP 8 is to improve the readability and consistency of Python code. By the end of this tutorial, you’ll be able to: Write Python code that conforms to PEP 8 Understand the reasoning behind the guidelines laid out in PEP […]