public static void main()
{
cont string ITEM209 = "209";
const string ITEM312 = "312";
const string ITEM414 = "414";
const doule PRICE209 = 12.99, PRICE312 = 16.77, PRICE414 = 109.07;
double price;
string stockNum;
Console.Write("Please enter the stock number of the item you want ");
stockNum = Console.ReadLine);
while(stockNum == ITEM209 == stockNum == ITEM312 == stockNum == ITEM414)
{
Console.WriteLine("Invalid stock number. Please enter again. ");
stockNum = Console.ReadLine();
}
if(stockNum == ITEM209)
prce = PRICE209;
else
if(stockNum == ITEM312)
price = PRICE209;
else
price = PRISE209;
Console.WriteLine("The price for item # {1} is {2}", stockNum, price.ToString("C"));
}
static void Main(string[] args)
{
Console.Title = "Таблица";
Console.Clear();
Console.WriteLine("Число Корень");
for (doule i = 0; i <= 10; i++)
{
Console.WriteLine("{0,4} {1,8:F4}", i, Math.Sqrt(i));
}
Console.ReadKey();
}
