Practice Arena

Python Coding
Challenges

Write real Python in the browser. Instant feedback. From beginner to expert.

925 challenges 556 easy 323 medium 46 hard

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Linked Lists hard

Second node value

Return the second value or None if fewer than two nodes.

linked-list lists pointers

Linked Lists hard

Drop the tail node

Return a new list without the last node.

linked-list lists pointers

Linked Lists hard

Join node values with arrows

Format string node values as 'a -> b -> c'; empty list returns ''.

linked-list lists pointers

Linked Lists hard

Insert value at index

Insert x at index i in a new list.

linked-list lists pointers

Linked Lists hard

Compare two linked lists

Return True when both lists have identical values in order.

linked-list lists pointers

Showing 1–5 of 5 challenges · hard · 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.