Lists are mutable (can be changed) and ordered. Tuples are ordered but immutable, while sets and dictionaries are unordered.
Tuples are created using parentheses (). While option D is also valid (tuple creation without parentheses), the standard representation is using parentheses.
Sets are used to store unique elements and do not allow duplicates.
The pop() method removes an item from a list at the specified index and returns the value of that item. If no index is specified, it removes and returns the last item in the list.