// @nuget: Z.Expressions.Eval

​

using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        string[] words = {"cherry", "apple", "blueberry"};

​

        var averageLength = words.Average(w => w.Length);

        Console.WriteLine("The average word length is {0} characters.", averageLength);

​

    }

}