FREE PCEP Data Structures Questions and Answers
How do you create a tuple in Python?
Correct!
Wrong!
Tuples are created using parentheses (). While option D is also valid (tuple creation without parentheses), the standard representation is using parentheses.
Which data structure in Python is mutable and ordered?
Correct!
Wrong!
Lists are mutable (can be changed) and ordered. Tuples are ordered but immutable, while sets and dictionaries are unordered.
What is the difference between a list and a tuple in Python?
Correct!
Wrong!
Which method would you use to remove an item from a list by its index in Python?
Correct!
Wrong!
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.
Which of the following data structures is used to store unique elements in Python?
Correct!
Wrong!
Sets are used to store unique elements and do not allow duplicates.