Using the if and statement

Program.cs

namespace implement_program_flow
{
    class Program
    {
        static void Main(string[] args)
        {
            var coffee = true;
            var isDeadlineClose = false;
            if (coffee)
            {
                Console.WriteLine("Let's study for some additional hours!");
                coffee = false;
            }

            if (coffee)
            {
                Console.WriteLine("There are still more coffee!");
            }
            else if (isDeadlineClose)
            {
                coffee = true;
                Console.WriteLine("Let's study for some additional hours!");
            }
            else
            {
                Console.WriteLine("It is time to sleep!");
                var codeBlockVariable = "What's up?";
                Console.WriteLine(codeBlockVariable);
            }

            // Console.WriteLine(codeBlockVariable); THROWS AN ERROR!
        }
    }
}