Usually as a simple menu system, see e.g. https://github.com/sokrateshayraniyim/Your-Own-Library/blob/main/Kitapl%C4%B1k/Kitapl%C4%B1k/Program.cs https://github

Usually as a simple menu system, see e.g. https://github.com/sokrateshayraniyim/Your-Own-Library/blob/main/Kitapl%C4%B1k/Kitapl%C4%B1k/Program.cs https://github.com/sokrateshayraniyim/Your-Own-Library/blob/...