Codecademy Review 8/8

// Sample Solution
using System;

namespace Review
{
  class Program
  {
    static void Main(string[] args)
    {
      string someString = $"use the space to write your own short program! Here is what you learned: DATA TYPES: char, string STRING INTERPOLATION: blah blah STRING INFO: .Length, .IndexOf() PARTS OF STRINGS: bracketNotation[], .Substring() STRING MANIPULATION: .ToUpper(), .ToLower() Good luck!";
      int someStringLength = someString.Length;
      Console.WriteLine(someStringLength);
      char[] someCharArray = someString.ToCharArray();
     
      //randomize the case of letters in the string
      for(int i=0; i<someStringLength; i++){
        Random rnd = new Random();
        int Up = rnd.Next(1,100);
        if(Up>=50){
        Console.Write(someCharArray[i].ToString().ToUpper());
        } else {
          Console.Write(someCharArray[i].ToString().ToLower());
        }
      }
    }
  }
}