public static int SelectPizza(Dictionary <long, int> dict)
{
Console.Write("Enter your pizza's number: ");
string selection_pizza = Console.ReadLine();
Console.WriteLine("");
bool check = _pr.CheckIfNumMenuPizzaIsValid(selection_pizza, dict);
while (!check)
{
Console.Write("The option you selected is not valid, please try again: ");
selection_pizza = Console.ReadLine();
Console.WriteLine("");
check = _pr.CheckIfNumMenuPizzaIsValid(selection_pizza, dict);
}
return(Int32.Parse(selection_pizza));
}