using System;

using System.Security.Cryptography;

public class Program

{

    public static void Main()

    {

        // Generates a random integer between a specified inclusive lower bound and a specified exclusive upper bound using a cryptographically strong random number generator.

        Console.WriteLine(RandomNumberGenerator.GetInt32(10, 20));  // get random int betweenn 10 and 19

​

        // Define the set of characters from which to generate the random string

        char[] characters = "1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!#$%&'()*+,-./:;<=>?@[\\]^_`{|}~".ToCharArray();

        // Get the number of characters to generate

        int length = 10;

        // Generate the random string

        Console.WriteLine(RandomNumberGenerator.GetString(new ReadOnlySpan<Char>(characters), length));

    }

}