However the following packages replace it: 2to3 python2-minimal python2 dh-python python-is-python3

If you are receiving the message that the packages mentioned are replacing Python, it means that Python 2 is being referred to instead of Python 3. Python 2 has reached its end of life and is no longer supported, so it is recommended to use Python 3 instead.

To install Python 3 on your system, you can try the following steps:

1. Update the package lists:

   sudo apt update

2. Install Python 3:

   sudo apt install python3

This should install Python 3 on your system. You can verify the installation by running the following command:

python3 --version

If you still encounter any issues, please provide more details about your system and the steps you have taken so far, and I'll be glad to assist you further.