hi i am new to ros and i'm learning it for almost a month, and i got an error in installing ros kinetic can anyone help me solve this issue. thanks in advance

edit

hi i am new to ros and i'm learning it for almost a month, and i got an error in installing ros kinetic can anyone help me solve this issue. thanks in advance

genie@genie-Lenovo-E41-25:~$ sudo sh -c 'echo "deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.list'
[sudo] password for genie: 
genie@genie-Lenovo-E41-25:~$ sudo apt-key adv --keyserver 'hkp://keyserver.ubuntu.com:80' --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
Executing: /tmp/apt-key-gpghome.Cj72PVlLjW/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
gpg: key F42ED6FBAB17C654: "Open Robotics <info@osrfoundation.org>" not changed
gpg: Total number processed: 1
gpg:              unchanged: 1
genie@genie-Lenovo-E41-25:~$ sudo apt-get update
Hit:1 http://uk-mirrors.evowise.com/ubuntu focal InRelease
Hit:2 http://uk-mirrors.evowise.com/ubuntu focal-updates InRelease             
Hit:3 http://uk-mirrors.evowise.com/ubuntu focal-backports InRelease           
Hit:4 http://uk-mirrors.evowise.com/ubuntu focal-security InRelease            
Hit:5 http://ppa.launchpad.net/blaze/rtbth-dkms/ubuntu focal InRelease         
Hit:6 http://deb.anydesk.com all InRelease                                     
Hit:7 http://ppa.launchpad.net/team-xbmc/ppa/ubuntu focal InRelease            
Hit:8 http://packages.ros.org/ros/ubuntu focal InRelease                       
Hit:9 http://packages.osrfoundation.org/gazebo/ubuntu-stable focal InRelease   
Reading package lists... Done
genie@genie-Lenovo-E41-25:~$ sudo apt install ros-kinetic-desktop-full
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package ros-kinetic-desktop-full
genie@genie-Lenovo-E41-25:~$ sudo apt-get install ros-kinetic-desktop-full
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package ros-kinetic-desktop-full