how to install dpkg in ubuntu code example

Example 1: install deb file in ubuntu

sudo apt install path_to_deb_file

Example 2: how to install dpkg in ubuntu

# download dpkg package
#open terminal into same directory and now type command with <packagename>.deb
sudo dpkg -i <package-name>.deb
#Ex: sudo dpkg -i mongodb-compass_1.23.0_amd64.deb