private static bool Get(string[] fields)
{
if (fields[0] != "get")
{
return(false);
}
if (fields.Length < 2)
{
return(false);
}
string name = fields[1] == null ? null : fields[1];
var result = shoppingList.Get(name);
Console.Out.WriteLine($"Item '{name}': {result}.");
return(true);
}