Code:
# sudo apt-get update 
Hit:1 http://old.kali.org/kali-security sana/updates InRelease                     
Ign:2 http://httpredir.debian.org/debian jessie-backports InRelease 
Err:3 http://httpredir.debian.org/debian jessie-backports Release
  404  Not Found [IP: 151.101.242.133 80]
Hit:4 http://kali.download/kali kali-rolling InRelease
Reading package lists... Done
E: The repository 'http://httpredir.debian.org/debian jessie-backports Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
and
Code:
nano /etc/apt/sources.list
Is
Code:

#deb https://http.kali.org/kali kali-rolling main contrib non-free
#deb-src https://http.kali.org/kali kali-rolling main contrib non-free
deb http://http.kali.org/kali kali-rolling main non-free contrib
deb http://old.kali.org/kali-security sana/updates main contrib non-free
#deb cdrom:[Kali GNU/Linux 2020.2rc3 _Kali-last-snapshot_ - Official amd64 DVD Binary-1 with firmware 20200508-14:35]/ kali-rolling contrib main n>
#deb-src http://http.kali.org/kali kali-rolling main non-free contrib
# deb cdrom:[Kali GNU/Linux 2020.2rc3 _Kali-last-snapshot_ - Official amd64 DVD Binary-1 with firmware 20200508-14:35]/ kali-rolling contrib main >
#deb http://ftp.us.debian.org/debian stable main contrib 
# This system was installed using small removable media
# (e.g. netinst, live or single CD). The matching "deb cdrom"
# entries were disabled at the end of the installation process.
# For information about how to configure apt package sources,
# see the sources.list(5) manual.
#deb http://http.kali.org/kali/ kali-rolling main contrib non-free 
#--------------------------------------------------------------
#deb http://httpredir.debian.org/debain/ jessie main contrib non-free


#deb http://mirrors.digitalocean.com/debian stretch main contrib non-free
#deb-src http://mirrors.digitalocean.com/debian stretch main contrib non-free

# Major bug fix updates produced after the final release of the distribution.
#===============================================================================================
#deb http://httpredir.debian.org/debian stretch main contrib non-free deb http://httpredir.debian.org/debian stretch-updates main contrib 
#deb http://httpredir.debian.org/debian stretch-backports main contrib non-free deb http://security.debian.org stretch/updates main contrib non-fr>

#deb http://archive.debian.org/debian/ jessie main contrib non-free
#deb-src http://archive.debian.org/debian/ jessie main contrib non-free
#deb http://apt.armbian.com stretch main jessie-utils jessie-desktop
#deb http://security.debian.org jessie/updates main contrib non-free
#deb-src http://security.debian.org jessie/updates main contrib non-free
what is the solution pales .
I'm starter in Kali Linux.
and
Code:
# lsb_release -a
No LSB modules are available.
Distributor ID: Kali
Description:    Kali GNU/Linux Rolling
Release:        2020.2
Codename:       kali-rolling