31-linked-lists

31 - Linked Lists

What It Does

Implements a singly linked list from scratch with insert, delete, search, reverse, and display operations.

Run It

python linked_list.py

Core Concepts

• Node class with data and next pointer
• LinkedList with head tracking
• Insert at head, tail, and position
• Deletion by value and index
• In-place list reversal

What You Will Learn

You will learn pointer-based data structures, how nodes link together, and fundamental linked list operations.

Project Structure

31-linked-lists/
  README.md
  linked_list.py
  node.py

Example Output

Linked List Demo
----------------
Insert: 10 -> 20 -> 30 -> 40
Search 30: Found at position 2
Delete 20: 10 -> 30 -> 40
Reverse: 40 -> 30 -> 10
Length: 3