Console.WriteLine("Assignment 2");
ass2();

static void ass2()
{
    double sphereVolume(int radius)
    {
        return (4 / 3) * Math.PI * Math.Pow(radius, 3);
    }

    Console.WriteLine("Enter a radius:");
    int radius = int.Parse(Console.ReadLine());

    for (int i = 1; i <= radius; i++)
    {
        Console.WriteLine($"Sphere\'s volume with radius {i} is {sphereVolume(i).ToString("#.##")}");
    }
}