DictionaryDemo

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DictionariesDemo
{
    class DictionariesDeemo
    {
        static void Main()
        {
            int[] arr = new int[] { 30, 40, 50 };
            for (int i = 0; i < arr.Length; i++)
            {
                Console.WriteLine("postion -> {0} - element -> {1}", i, arr[i]);
            }
            Console.WriteLine();
            Dictionary<int, int> nums = new Dictionary<int, int>();
            nums[0] = 30;
            nums[1] = 40;
            nums[2] = 50;
            foreach(var elements in nums)
            {
                Console.WriteLine("dict {0} - postion {1}",elements.Key,elements.Value);
            }
        }
    }
}