Check if List values are consecutive

Question

List dansConList = new List();
dansConList[0] = 1;
dansConList[1] = 2;
dansConList[2] = 3;

List dansRandomList = new List

        

Answer 1

var result = list
    .Zip(list.Skip(1), (l, r) => l + 1 == r)
    .All(t => t);