Practice Running The Code (39.1.16) - User defined lists - Part B - Data Structures and Algorithms in Python
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Running the Code

Practice - Running the Code

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Practice Questions

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Question 1 Easy

What happens if you try to delete from an empty linked list?

💡 Hint: Think about whether any nodes are available.

Question 2 Easy

Describe how you would delete the head of a linked list.

💡 Hint: Focus on the connection to the next node.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the first step in the delete function when the linked list is empty?

Return without action
Delete the head
Throw an error

💡 Hint: Think about what is there to delete.

Question 2

True or False: Recursive deletion always results in a dangling reference.

True
False

💡 Hint: Focus on how we manage the nodes during deletion.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a linked list represented as values [10, 20, 30, 40], write a Python function to delete the node with value 30. After deletion, show the state of the list.

💡 Hint: Ensure that you understand how to access the nodes properly during deletion.

Challenge 2 Hard

Consider a linked list that allows duplicate values. Write a function to delete only the first occurrence of a specified value. Provide the code and explain your approach.

💡 Hint: Think recursively or iteratively; how would you manage finding duplicates?

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