How do i display the installed and available versions of an ubuntu package?

indigowinged

To display the installed version and the available versions of a package.

$ apt-cache policy tcpdump
tcpdump:
  Installed: 4.9.2-3
  Candidate: 4.9.2-3
  Version table:
 *** 4.9.2-3 500
        500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
        100 /var/lib/dpkg/status