void ass7()
{
    var nums = new List<int>();

    int input;

    do
    {
        if (nums.Count == 0)
            Console.Write("Type a number: ");
        else
            Console.Write("Type another number: ");

        input = Helpers.getInputNumber();
        if (input == 0)
            continue;

        nums.Add(input);

    } while (input != 0);

    if (nums.Count != 0)
        Console.WriteLine($"The smallest number you entered was {nums.Min()}");
    else
        Console.WriteLine("List is empty");
}

Console.WriteLine("Assignment 7");
ass7();