how to add values to list using 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: List C# add from List

List<string> initialList = new List<string>();
// Put whatever you want in the initial list
List<string> listToAdd = new List<string>();
// Put whatever you want in the second list
initialList.AddRange(listToAdd);