Please help me with the task: Remove double spaces

Hello, I’m working on this task:

Write a program that removes all double spaces in a given string. It should read a string from the console and store it in the variable input. You should declare input by using var. Pay attention only to double spaces; we are not focusing on triple or more spaces in this task. For example:
>Are you ready to save the world?
Are you ready to save the world?

Here is my code:


namespace LearningVar
{
   class DoubleSpaces
   {
       static void Main(string[] args)
       {
           Console.ReadLine();
       }
   }
}

Can anyone please help me to solve it?