01. Count Chars in a String

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

namespace CountCharsInAString
{
    class Program
    {
        public static void Main()
        {
            var charsCount = Console.ReadLine()
                .Replace(" ", "")
                .GroupBy(x => x)
                .ToDictionary(x => x.Key, x => x.Count());

            foreach (var chr in charsCount)
            {
                Console.WriteLine($"{chr.Key} -> {chr.Value}");
            }
        }
    }
}