using System;

using System.Collections.Generic;

using ServiceStack;

public class Program

{

    public static void Main()

    {

        Dictionary<string, int> payments = new Dictionary<string, int>

                {

                    { "moving", 1 },

                    { "pickUp", 2 },

                    { "delivery", 3 },

                    { "insurance", 4 },

                    { "hardPacking", 5 },

                    { "sealing", 6 },

                    { "strapping", 7 }

                };

        var payments1 = payments;

        payments1.RemoveKey("pickUp");

        foreach(var entry in payments.Keys)

        {

            Console.WriteLine(entry);           

        }

​

    }

}