how to add entries to list in c# code example

Example 1: how to add data in list in c#

List<geo_tag> abc = new List<geo_tag>();
geo_tag tag = new geo_tag();
tag.latitude = 111;
tag.longitude = 122;
tag.unit = "SSS";
abc.Add(tag);

Example 2: c# adding to a list

//Declaring that its a list
List<string> test = new List<string>(); 
test.Add("Hello")