59.Queue (Array Implementation) — Circular Buffer Explained (Python)

Описание: Learn how to implement a Queue using arrays (a fixed-capacity circular buffer) in Python — beginner friendly, step-by-step.

In this video you’ll learn:

✅ What a queue (FIFO) is

✅ How to implement enqueue, dequeue, and peek using a Python list as a fixed-size array

✅ The circular buffer trick: rear_index = (front + size) % capacity

✅ Time & space complexity and edge cases (full / empty queues)

✅ Example usage and a simple visual demonstration
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