206. Reverse Linked List | Easy DSA Interview Problem

🔥 LeetCode 206 — Reverse Linked List | Step-by-Step Explanation in Python

In this video, we solve one of the most important Linked List problems asked in coding interviews:

✅ Reverse Linked List
✅ Pointer Visualization
✅ Dry Run Example
✅ Beginner Friendly Explanation
✅ Python Solution with Comments
✅ Time & Space Complexity

We will understand:
✔ How pointers work in Linked Lists
✔ Why we use prev, current, and next_pointer
✔ How links reverse step-by-step
✔ Common mistakes beginners make

💡 Perfect for:

* Beginners learning DSA
* Coding interview preparation
* LeetCode practice
* Students struggling with pointers

Problem:
Given the head of a singly linked list, reverse the list and return the reversed list.

Example:
1 → 2 → 3 → 4 → 5
Becomes:
5 → 4 → 3 → 2 → 1

⏱ Complexity:
Time Complexity → O(n)
Space Complexity → O(1)

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Видео 206. Reverse Linked List | Easy DSA Interview Problem канала Code With Ahmad