One performance-enhancement technique common to many languages, and one Python can use too, is memoization—caching the results of a function call so that future calls with the same inputs don ...

A key characteristic of Python is it can accomplish the same basic tasks other languages can by using much simpler code. Its syntax, referring to the rules that govern how programmers can use the ...

you can use Python’s replace method and provide a list. Extracting a substring within Excel requires the usage of the LEFT, MID, or RIGHT functions, depending on where the substring is located ...

Learn how Mypy's type checking works with functions and generators. In my last two articles I've described some of the ways Mypy, a type checker for Python, can help identify potential problems with ...

typing.TypeIs lets us do the same thing in Python’s type hinting mechanisms. This way, functions used to validate whether or not something is a given type can be annotated to show they perform ...

If you just want the syntax for classes in Python, you can skip to the next section! So, what is a class? A class is a piece of code that describes a “data object.” This is an object just like ...

The Python programming language, despite its ease of use, offers a depth of useful functions, modules and data structures. One of these data structures, the "dictionary" data structure ...