C# Sharp Basic Algorithm Exercises: Remove all "a" in each string in given list of strings and return the new string

using System; // Importing the System namespace for basic functionality
using System.Collections.Generic; // Importing the namespace for working with collections
using System.Linq; // Importing the namespace for LINQ operations

namespace exercises // Defining a namespace called 'exercises'
{
   class Program // Defining a class named 'Program'
   {
       static void Main(string[] args) // The entry point of the program
       {         
           // Calling the 'test' method with a new list of strings as input
           List<string> mylist = test(new List<string>(new string[] { "abc", "cdaef", "js" , "php" }));

           // Displaying elements of 'mylist' in the console
           foreach(var i in mylist)
           {
               Console.Write(i.ToString()+" "); // Output each element followed by a space
           }     
       }                  

       // Method that takes a List of strings and removes all occurrences of letter 'a' from each string
       public static List<string> test(List<string> str)
       {
           // Using LINQ to remove all occurrences of 'a' from each string in 'str' list
           return str.Select(x => x.Replace("a", "")).ToList();
       }    
    } 
}