This command adds Python 3 as an alternative for the python command

Code:

sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 1

This command adds Python 3 as an alternative for the python command.

Set Python 3 as the default by running the following command:

Code:

sudo update-alternatives --set python /usr/bin/python3

This command sets the default Python version to Python 3.

Verify that Python 3 is now the default by running

Code:

python --version