If you do not need to incorporate the MoreLinq library on your challenge just to get the DistinctBy functionality then you can get the identical end result using the overload of Linq's Distinct technique that will take in an IEqualityComparer argument. I found this issue when refactoring a functionality to https://propertyingurugram.in/budget-2024-sets-the-stage-for-a-sustainable-growth-trajectory-for-real-estate/