I'm making a program called bartender on visual studio c++ Week 4: Add loops to validate data.

I need help with this weeks addition to our course project. I'm making a program called bartender on visual studio c++

Week 4: Add loops to validate data. Add a menu to your program that allows users to use the various features or exit the program.

^ That is what I need help with, if you could provide the code for it.

I finished previous weeks and will attach them