Generate Random Numbers in C#

using System;
using System.Security.Cryptography;
using System.Linq;

class RandomNumberExample
{
    static void Main()
    {
        // Generate a single random number between 1 and 100
        Random random = new Random();
        int randomNumber = random.Next(1, 101);
        Console.WriteLine(randomNumber);  // Example output: 42

        // Generate multiple random numbers
        int[] numbers = Enumerable.Range(0, 10)
            .Select(_ => random.Next(1, 101))
            .ToArray();
        Console.WriteLine($"[{string.Join(", ", numbers)}]");
        // Example output: [23, 7, 91, 45, 12, 68, 3, 89, 54, 31]

        // Generate cryptographically secure random number
        using (var rng = RandomNumberGenerator.Create())
        {
            byte[] bytes = new byte[4];
            rng.GetBytes(bytes);
            int secureNumber = (Math.Abs(BitConverter.ToInt32(bytes, 0)) % 100) + 1;
            Console.WriteLine(secureNumber);  // Example: 67
        }

        // Random double between 0 and 100
        double randomDouble = random.NextDouble() * 100;
        Console.WriteLine($"{randomDouble:F2}");  // Example: 42.17
    }
}