Answer to Question #281707 in Python for xxx

Question

1 How can you tell if a Linked List is empty?

A the head points to Null

B the head points to None

C the head points to a node whose data value is empty

D all the nodes data values are None

2 Which of these is not associated with nodes in a Linked List?

A an edge value

B a data value

C previous pointer

D next pointer

3 Python’s built in list data type is implemented using a ______________.

A simple array

B dynamic linked list

C dynamic array

D simple linked list

4 What are the attributes associated with the Singly-Linked List node class?

A next and previous

B data, next, and previous

C data and next

D next only

Answer 1

1. A the head points to Null

2. A an edge value

3. C dynamic array

4.C data and next