how to create a list c#

using System.Collections.Generic
//type is your data type (Ej. int, string, double, bool...)
List<type> newList = new List<type>();

IList<int> newList = new List<int>(){1,2,3,4};

C# By Magnificent Mamba on Dec 23 2019
IList<int> newList = new List<int>(){1,2,3,4};