Practice Arena

Python Coding
Challenges

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925 challenges 556 easy 323 medium 46 hard

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Linked Lists easy

Read the tail node value

Return the last value or None when the list is empty.

linked-list lists pointers

Linked Lists medium

Append a new tail

Add value after the last node.

linked-list lists pointers

Linked Lists medium

Pairwise sum of adjacent nodes

Sum each adjacent pair; keep a lone last node as-is.

linked-list lists pointers

Linked Lists hard

Drop the tail node

Return a new list without the last node.

linked-list lists pointers

Showing 1–4 of 4 challenges · Linked Lists

Linked Lists — Python coding challenges

What you will find here

This page lists linked lists challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.

Challenges vs tutorials and quizzes

Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.