here is the output of asked commands, let me know if you need any further info.
sudo apt update output:
gowri@gowri:/var/log/apt$ sudo apt update
Hit:1 http://in.archive.ubuntu.com/ubuntu bionic InRelease
Get:2 http://in.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Get:3
Thanks again for your quick response guys. ican attach only one file at
a time here don't know sure that it is how things work here .I'll give
you the term and history log as asked one by one and paste the output of
update and -f install here in the comments.
** Attachment added: "history.log"
