A Regular Expression, or RegEx, is a sequence of characters that forms a search pattern. RegEx can be used to check if a string contains the specified search pattern. Python has a built-in package ...

JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write, and easy for machines to parse and generate. In Python, you can work with JSON ...

Python has a set of built-in mathematical functions, and also a math module that provides more advanced mathematical functions. In this note, we’ll explore both. Built-in Math Functions Python ha...

In Python, a module is a file containing Python definitions and statements. The file name is the module name with the suffix .py appended. Modules allow you to organize your code into logical, reus...

An iterator is an object that contains a countable number of values. In Python, an iterator is an object that can be iterated upon, meaning that you can traverse through all the values. Technically...

In Python, the term “array” can be a bit ambiguous. While Python doesn’t have a built-in array data type in the same way as languages like C or Java, the list data type is often used as a flexible,...

The range() function is a built-in function in Python that is used to generate a sequence of numbers. It is commonly used for looping a specific number of times in for loops. range(stop) When you...

Introduced in Python 3.10, the match statement is a powerful tool for structural pattern matching. It allows you to compare a value against a series of patterns and execute a block of code when a m...

A function is a block of code which only runs when it is called. You can pass data, known as parameters, into a function. A function can return data as a result. Creating and Calling a Function I...

A for loop is used for iterating over a sequence (that is either a list, a tuple, a dictionary, a set, or a string). This is less like the for keyword in other programming languages, and works more...