Python Lists

When writing a Python program you might want to access multiple elements in a list. In this scenario, Python list slicing can be very useful. With Python’s list slicing notation you can select a subset of a list, for example, the beginning of a list up to a specific element or the end of a … Read more

In this article, you will learn how to add an element to the front of a list in Python. To prepend an element to the front of a Python list you can utilize different techniques. The most straightforward approach is to use the list insert() method. You can achieve the same result also using list … Read more

Do you want to use a nested list in Python but don’t know where to start? This tutorial will show you how to start using nested lists. Python, a versatile and beginner-friendly programming language, offers a wide range of data structures to help you organize and manipulate data in your programs effectively and nested lists … Read more

Being able to add items to a list is a routine task for Python developers. Learn multiple ways to do that so you can write programs faster. Python provides multiple ways to add an item to a list. Traditional ways are the append(), extend(), and insert() methods. The best method to choose depends on two … Read more

Knowing how to unpack a list in Python can make your code cleaner and more concise. In this tutorial, you will learn to use unpacking in your Python programs. When you unpack a list in Python you assign the elements of a list to multiple variables in a single statement. Ideally, the number of variables … Read more

Are you trying to get the last element in a Python list? You are in the right place. There are multiple ways to get the last element in a Python list. There are two approaches that use indexes: the first with the negative index -1 and the second with the last index of the list. … Read more

A common problem in Python is finding out where a specific item is in a list. There are a few ways to do that. To know where in a Python list a specific item is you can use the list index() method that returns the index of the item if the item is in the … Read more

Have you ever heard about the list comprehension in Python? It simplifies the way you work with lists and it makes your code more concise. The list comprehension is a Python construct that reduces the lines of code required to generate a new list or to filter an existing list. A list comprehension is enclosed … Read more

Printing even and odd numbers from a Python list is a good exercise if you are getting started with Python and you want to learn its basics. To extract even and odd numbers from a Python list you can use a for loop and the Python modulo operator. A second option is to replace the … Read more

Getting every other element from a Python list might seem easy to do but it actually requires some knowledge of Python basics. To get every other element in a Python list you can use the slice operator and use the fact that this operator allows to provide a step argument (with its extended syntax). Another … Read more