private string saveDataCustomer(string data)
{
CustomerView.printNameColumn(data);
string dataOfCustomer = Console.ReadLine();
if (checkCorrectInput(dataOfCustomer, data) == false)
{
Console.WriteLine("Wrong input. Try again!");
saveDataCustomer(data);
}
string dataToTableCustomer = "'" + dataOfCustomer + "'";
return(dataToTableCustomer);
}