How to Check if a List is Empty in Python

If you pass an empty list to the bool() function, it will return False. An empty list in an if statement will also return False. If you pass an empty list to the len() function, it will return 0. In this tutorial, we will go through several methods to check if a list...

How to Find the Factorial of a Number in Python

The factorial of a positive integer n is the multiplication operation of all integers smaller than or equal to n. The notation of the factorial is the exclamation mark, n!. For example, the factorial of 5 is: 5! = 5 * 4 * 3 * 2 * 1 = 120 This tutorial will go through...

How to Write the Fibonacci Sequence in Python

Introduction The Fibonacci sequence is a fascinating mathematical series where each number is the sum of the two preceding ones. Let’s explore different ways to implement this sequence in Python, comparing their efficiency and use cases. Table of Contents...

How to Do Set Union in Python

This tutorial will go through how to get the union of sets in Python with the help of some code examples. Table of contentsWhat is a Set?What is Set Union?Using the Union MethodUsing the OR Operator |Summary What is a Set? A Python set is one of the four built-in data...

How to do Set Intersection in Python

This tutorial will go through how to get the intersection between sets in Python with the help of some code examples. Table of contentsWhat is a Set?What is Set Intersection?Example #1: Using the Intersection MethodExample #2: Using the Intersection Operator...