c# - List method to get difference of another list with duplicates (listobject.Expect method does not work) -


there 2 lists. need difference

list<int> list1 = new list<int>() {18, 13, 22, 24, 20, 20, 27, 31, 25, 28 }; list<int> list2 = new list<int>() {18, 13, 22, 24, 20, 20, 20, 27, 31, 25, 28, 86, 78, 25 };  var listdif = list2.except(list1);  foreach (var s in listdif) console.writeline(s); console.read();

the answer should 20, 86,78, 25 outputs 86,78

if want that kind of behaviour should try this:

list<int> list1 = new list<int>() { 18, 13, 22, 24, 20, 20, 27, 31, 25, 28 }; list<int> list2 = new list<int>() { 18, 13, 22, 24, 20, 20, 20, 27, 31, 25, 28, 86, 78, 25 };  // remove elements of first list second list list1.foreach(l => list2.remove(l)); list2 = list2.distinct().tolist();  list2.foreach(d => console.writeline(d)); console.read();

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