Python is a popular high-level programming language that is known for its simplicity and ease of use. Ubuntu is one of the most popular Linux distributions, and it comes with Python pre-installed.

However, the version of Python that comes with Ubuntu may not always be the latest version. In this tutorial, we will guide you through the steps to set Python 3.10 as the default version on Ubuntu.

Steps:

1. Update Ubuntu:

Before we begin, make sure that your Ubuntu system is up to date. Open the terminal and run the following command:

2. Install Python 3.10:

Ubuntu 21.10 comes with Python 3.9 pre-installed. To install Python 3.10, you can add the deadsnakes PPA (Personal Package Archive) to your system. Run the following command in your terminal:

After running the above command, Ubuntu will prompt you to press Enter to continue. Press the Enter key to continue.

Now, update the package list by running the following command:

You can now install Python 3.10 using the following command:

3. Set Python 3.10 as the default version:

Once you have installed Python 3.10, you can set it as the default version by using the update-alternatives command. Run the following command in your terminal:

This command will set Python 3.10 as the default version of Python 3 on your system. You can verify the default version of Python 3 by running the following command:

This command should return the version number of Python 3.10.

4. Remove Python 3.9:

If you want to remove Python 3.9 from your system, you can do so using the following command:

Conclusion:

By following the above steps, you can set Python 3.10 as the default version of Python on your Ubuntu system. This will allow you to take advantage of the newest features and improvements in Python 3.10.

Here is the full code used in the tutorial: