📌 Stack Implementation in Python | Data Structures Explained with Code📌
📌Learn how to implement a stack in Python step by step! 🚀
In this video, we cover:
✅ What is a Stack in Data Structures
✅ Stack operations: Push, Pop, Peek, and isEmpty
✅ Python implementation using lists & classes
✅ Practical coding examples
📌Stacks are one of the most important data structures in computer science and are widely used in algorithms, compilers, and recursion. A stack in Python is a linear data structure that follows the LIFO (Last In, First Out) principle.
That means:
✅The last element added (pushed) to the stack is the first one removed (popped).
✅Think of it like a stack of plates 🍽️ — you put a plate on top and take the top plate out first.
🔑 Key Operations of a Stack:
Push → Add an element to the top of the stack
Pop → Remove the top element from the stack
Peek / Top → View the top element without removing it
isEmpty → Check if the stack is empty
⏱️ Timestamps:
00:00 – Introduction of Stack
01:15 – Creating python file to implement stack
02:00 – Writing push function of stack
02:05 – Writing pop function of stack
02:30 – Call push function already created
03:20 – Print stack and its peak
04:00 – Call pop function already created
05:40 – Understanding underflow and overflow in python stack
09:30 – Run the program with pop and push operation
10:00 – Final thoughts & practice tips
👉 Watch till the end to understand stacks clearly and strengthen your DSA (Data Structures & Algorithms) preparation.
👉Github Code url
https://github.com/pythonport/PythonC...
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