Dictionary<string, List<int>> dictionaryStringListOfInt = new Dictionary<string, List<int>>(){
{ "The First", new List<int>(){ 1,2 } },
{ "The Second", new List<int>(){ 1,2 } }
};
dictionaryStringListOfInt.Add("The New", new List<int>());
dictionaryStringListOfInt["The New"].Add(1);
dictionaryStringListOfInt["The New"].Add(2);
Console.WriteLine(dictionaryStringListOfInt["The New"][0]);
dictionaryStringListOfInt["The New"][0] = 3;
Console.WriteLine(dictionaryStringListOfInt["The New"][0]);
Console.WriteLine(dictionaryStringListOfInt["The New"][1]);