16- Which of the following statements about sets in Python is true ? a. Items within a set are unordered. b. Items can only be added to a set by creating a new set object. c. Multiple items within a...

Items within a set are unordered.

Items can only be added to a set by creating a new set object.

Multiple items within a set can have the same value.

A set is not considered to be a data structure.

Sets can only contain items which have a primitive type.

The maximum size of a set must be specified when it is created.