Replace Element at Certain Index in List in Python (Example)

In this tutorial, you will learn how to replace an element at a specific index in a list in Python. There are situations where you may want to update or modify a particular element in a list without changing the rest of the elements. We will explore different examples to demonstrate this process.

The table of contents is structured as follows:

Let’s get started!

Initializing a Sample List

Firstly, let’s initialize a sample list to work with:

# Initializing a sample list
my_list = [10, 20, 30, 40, 50]

This creates a list named my_list containing five elements.

Replace an Element at a Certain Index

To replace an element at a specific index in the list, you can directly assign a new value to that index using the assignment operator =. Here’s an example:

# Replace an element at index 2 with a new value
my_list[2] = 35
# [10, 20, 35, 40, 50]

In this example, we replaced the element at index 2 (which is 30) with the value of 35. After the replacement, the updated list became [10, 20, 35, 40, 50].

You can also replace multiple elements at different indices by repeating this process for each index. We see that in the output, the element at index 2 has been replaced with the new value.

Video, Further Resources & Summary

In this tutorial, we learned how to replace an element at a specific index in a list in Python. By directly assigning a new value to the desired index, we can update the element while keeping the rest of the list intact.

Do you need more explanations on looping through a list of integers in Python? Then you should have a look at the following YouTube video of the Statistics Globe YouTube channel.

The YouTube video will be added soon.

For more Python programming tutorials and examples, you can check out the following resources on Statistics Globe:

Now you have the knowledge and techniques to replace an element at a certain index in a list in Python. Happy coding!

Ömer Ekiz Python Programming & Informatics

This page was created in collaboration with Ömer Ekiz. Have a look at Ömer’s author page to get more information about his professional background, a list of all his tutorials, as well as an overview of his other tasks on Statistics Globe.


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