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 ...

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 ...

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 ...

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 ...

Users can input a series of requests into a function, and it can return an output in the form of data or manipulate other parts of the program. In Python, you can define a function using the def ...

Learn Python Django from Scratch: Learn Django, providing clean programming structure behind complex, database-driven sites and functions. Python Web Programming: All Python web development ...

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 ...