using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public class Type_1

    {

        public int A { get; set; }

        public int B = 178;

        public string C { get; set; }

        public string D = "test";

        public string E { get; set; }

    }

    public static void Out_Type_1(List<Type_1> t)

    {

        int i = 0;

        foreach(var item in t)

        {

            Console.WriteLine(

                $"{++i}: " +

                $"A={item.A}({item.A.GetType()}), " +

                $"B={item.B}({item.B.GetType()}), " +

                $"C={item.C}({item.C.GetType()}), " +

                $"D={item.D}({item.D.GetType()}), " +

                $"E={item.E}({item.E.GetType()})"

            );

        }

    }

    public static void Main()

    {

        var a = new List<Type_1>() {

            new Type_1 {

                A = 1,

                C = "c1",

                E = "e1"

            },

            new Type_1 {

                A = 2,

                C = "c2",

                E = "e2"

            },

            new Type_1 {

                A = 3,

                C = "c3",

                E = "e3"

            },

        };

        Out_Type_1(a);

    }

}