The error message indicates that you don’t have the necessary permissions to perform the installation. To resolve this issue, you need to run the command with elevated privileges using sudo. Here’s a step-by-step guide:

1. Open your terminal on the Chromebook.

2. Run the following command to update the package lists:

sudo apt update

1. Then, run the following command to install Python 3.10:

sudo apt install python3.10

If you want to install a specific version, like Python 3.10.5, you may need to check if it’s available in your package repositories. If not, you might consider installing a slightly older or newer version that is available.

1. If you encounter the “Unable to acquire the dpkg frontend lock” error, it means another process is using the package management system. Make sure you don’t have another package manager running in the background.

2. If the issue persists, you can try the following commands:

sudo fuser -v /var/lib/dpkg/lock-frontend

This command will show you the process ID (PID) of the process using the lock file. You can then use the following command to kill that process:

sudo kill <PID>

Replace <PID> with the actual process ID.

1. After resolving the lock issue, run the sudo apt install python3.10 command again.

This should allow you to install Python 3.10 on your Chromebook. If you encounter any further issues, please provide additional details, and I’ll do my best to assist you.