I have an `IEnumerable<MyObject>` collection, with N `MyObject` elements. 
MyObject is a class with a Title, a Description and an ID (as string).

I'd like to have my collection with distinct list of MyObject, due to the ID field.
So if 2 MyObject have got the same ID, one should be deleted (don't care which, I need unique ID).

How can I do it with LINQ?

Tried :

```
myList = myList.GroupBy(o => o.ID); 

```

but seems I need a cast?