c# count number of element occurrences in list

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List<string> myList = new List<string> { "A", "B", "B", "C", "C", "C" };

var occurrences = myList.GroupBy(x => x).ToDictionary(y => y.Key, z => z.Count());

// Output:
// [A, 1]
// [B, 2]
// [C, 3]

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using System;
using System.Linq;
using System.Collections.Generic;

public class Program
{
    public static void Main()
    {
        List<string> myList = new List<string> { "A", "B", "B", "C", "C", "C" };

        var occurrences = myList.GroupBy(x => x).ToDictionary(y => y.Key, z => z.Count());

        foreach (var item in occurrences)
            Console.WriteLine(item);
    }
}

// Output:
// Output:
// [A, 1]
// [B, 2]
// [C, 3]