I updated my gcc on linux mint but when I checked it seems wasn't installed. What is the problem?
joseph@joseph:~$ sudo apt install gcc-9Reading package lists... DoneBuilding dependency tree Reading state information... Donegcc-9 is already the newest version (9.2.1-17ubuntu1~18.04.1).The following packages were automatically installed and are no longer required: codeblocks-common libcodeblocks0 libwxbase3.0-0v5 libwxgtk3.0-0v5Use 'sudo apt autoremove' to remove them.0 upgraded, 0 newly installed, 0 to remove and 240 not upgraded.joseph@joseph:~$ gcc --versiongcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0Copyright (C) 2017 Free Software Foundation, Inc.This is free software; see the source for copying conditions. There is NOwarranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.