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 min = list.Min();
var max = list.Max();
var all = Enumerable.Range(min, max - min + 1);
return list.SequenceEqual(all);