What are duplicate members (Python) ?

Question

Hello Ducks.
I saw the following def of the List, but am wondering what does it mean « Allow duplicate members » ? here is it:
List is a collection which is ordered and changeable. Allows duplicate members.

Answer 1

Jan Markus Thanks for your answer, but can you make in dictionary like that ?
my_dic = {« apple: 1, « banana: 1}