Get a unique list of items that occur more than once in a list

Question

I have a list of items:

mylist = [\'A\',\'A\',\'B\',\'C\',\'D\',\'E\',\'D\']

I want to return a unique list of items that appear more than

Answer 1

It can be as simple as ...

print(list(set([i for i in mylist if mylist.count(i) > 1])))