This is not a computers and technology question but ill still answer it and the answer to this that i think it is ...A ...but i may be wrong
Answer:
Set
Explanation:
A set is unique in Python. It does not allow duplicates
Answer:
The rise of digital media has caused newspaper subscriptions to decline significantly because people are finding their news online.
It is A
Off the top of my head I know there was a lot of researching by means of books. Books were where you went to find information. So nowadays you can find everything with a search engine whereas you had to go to the bookstore back then.