using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Random r = new Random();

        double num1 = GetRandomNumberInRange(r, 50, 100);

        Console.WriteLine(num1);

    }

​

    public static double GetRandomNumberInRange(Random random, double minNumber, double maxNumber)

    {

        return random.NextDouble() * (maxNumber - minNumber) + minNumber;

    }

}