use variable number of arguments for method

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Method

public static double Avg(params int[] values)
{
    double sum = 0;
    foreach (int value in values)
    {
        sum += value;
    }
    return sum / values.Length;
}

Use

double avg = Avg(44);
Console.WriteLine(avg);

avg = Avg(5, 32);
Console.WriteLine(avg);

avg = Avg(5, 31, 79, 120, 413, 973, 1010);
Console.WriteLine(avg);

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