Arrays and Linked Lists - Exam Prep Implementations in Python

Arrays and Linked Lists - Implementations in Python - Real World Applications

Q. In Python, which data structure can be used to implement a queue?

Solution

A list in Python can be used to implement a queue, although collections.deque is more efficient for this purpose.

Correct Answer: A — List

Q. What is the average time complexity of searching for an element in a balanced binary search tree?

Solution

The average time complexity for searching in a balanced binary search tree is O(log n).

Correct Answer: B — O(log n)

Q. What is the primary use of a queue in real-world applications?

Solution

Queues are primarily used for managing tasks in scenarios like print jobs or task scheduling.

Correct Answer: B — Managing tasks

Q. Which data structure is best suited for implementing a LIFO (Last In First Out) system?

Solution

A stack is the best data structure for implementing a LIFO system.

Correct Answer: B — Stack

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