advait@advait-Bravo-15-A4DDR:~$ sudo apt install ubuntu-restricted-extras
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 43843 (synaptic)
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 43843 (synaptic)
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 43843 (synaptic)
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 43843 (synaptic)
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 43843 (synaptic)
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 43843 (synaptic)