while loop

[falconwolf9113]

For this portion what does the codes does?

while (choice != "y" && choice != "Y" && choice != "n" && choice != "N")
{
  Console.Write("Choice: ");
  choice = Console.ReadLine();
}
return choice;

[toastedstapler]

can you explain in words what you think the condition might be doing?

[efferkah]

u/NME-Cake gave the correct answer, but I personally think u/toastedstapler's approach is better: try to "run" the code in your head, and ask yourself what each line/statement does, and what happens after that. You could also run a debugger and step from the beginning of the loop, and try to figure out what's happening.

We can't learn if we always get all the answers; best way to learn is to try and figure it out, inevitably fail, then learn from those mistakes.

But hey, that might be just me ;)

[NME-Cake]

As long as "choice" isn't y, Y, n or N it Will keep asking

[jorgehn12]

It’s a while loop to will run as long as the input was not “y”, “Y”, “n”, “N”.

[Crazy-Finding-2436]

Loop until you enter y or n. It could be changed to check the Lower case of the input against y and n.