adding contrib

Code:

$ sudo nano /etc/apt/sources.listjames@ninja:~$ sudo apt updateHit:1 http://deb.debian.org/debian trixie InReleaseHit:2 http://deb.debian.org/debian trixie-updates InReleaseGet:3 http://deb.debian.org/debian trixie/contrib amd64 Packages [52.6 kB]Hit:4 http://security.debian.org/debian-security trixie-security InReleaseGet:5 http://deb.debian.org/debian trixie/contrib Translation-en [47.7 kB]Get:6 http://deb.debian.org/debian trixie/contrib amd64 Components [27.0 kB]Get:7 http://deb.debian.org/debian trixie/contrib Icons (48x48) [43.4 kB]Get:8 http://deb.debian.org/debian trixie/contrib Icons (64x64) [99.8 kB]Fetched 271 kB in 0s (666 kB/s)                                 All packages are up to date.    Warning: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Translations (main/i18n/Translation-en_CA) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons-hidpi (main/dep11/icons-64x64@2.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Packages (non-free-firmware/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Packages (non-free-firmware/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Translations (non-free-firmware/i18n/Translation-en_CA) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Translations (non-free-firmware/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11 (non-free-firmware/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11 (non-free-firmware/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons-small (non-free-firmware/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons (non-free-firmware/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons-hidpi (non-free-firmware/dep11/icons-64x64@2.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Translations (main/i18n/Translation-en_CA) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons-hidpi (main/dep11/icons-64x64@2.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Packages (non-free-firmware/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Packages (non-free-firmware/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Translations (non-free-firmware/i18n/Translation-en_CA) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target Translations (non-free-firmware/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11 (non-free-firmware/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11 (non-free-firmware/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons-small (non-free-firmware/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons (non-free-firmware/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5Warning: Target DEP-11-icons-hidpi (non-free-firmware/dep11/icons-64x64@2.tar) is configured multiple times in /etc/apt/sources.list:3 and /etc/apt/sources.list:5