c# - Find if listA contains any elements not in listB

Question

I have two lists:

List<int> listA     
List<int> listB

How to check using LINQ if in the listA exists an element wchich deosn't exists in the listB ? I can use the foreach loop but I'm wondering if I can do this using LINQ

Answer 1

listA.Except(listB) will give you all of the items in listA that are not in listB