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‎README.md‎

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# Python Learning Journey
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# Python & JavaScript Learning Journey
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## Overview
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This repository serves as a comprehensive guide to my learning journey in Python programming. It covers various topics from the basics of Python to advanced concepts, including object-oriented programming (OOP), file handling, exception handling, and more. Each section is carefully organized to build upon the previous one, ensuring a structured and progressive learning path. The repository will include code examples, exercises, and projects that demonstrate the practical application of Python in real-world scenarios.
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This repository is a hands-on collection of Python and JavaScript practice files covering core programming concepts, object-oriented programming, array/list algorithms, DOM manipulation, and LeetCode problem solutions. It tracks learning progress from fundamentals through to advanced OOP patterns and coding challenges.
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The objective of this journey is to gain a solid understanding of Python, improve problem-solving skills, and develop the ability to create functional applications using Python.
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---
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## Repository Structure
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### Course Details:
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- **Course Title:** Master Python: From First Steps to Pro-Level Programming
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```bash
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https://www.udemy.com/course/python-beginners-to-advance-bootcamp/
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```
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- **Platform:** Udemy
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```
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python-learning/
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├── Python Scripts (root) # Core Python exercises & algorithms
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├── JavaScript Scripts (root) # JS fundamentals & DOM exercises
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├── Web Files (root) # HTML & CSS files
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├── OOPS/ # OOP inheritance deep-dive
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└── Leetcode/ # LeetCode problem solutions
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```
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---
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## Table of Contents
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1. [Introduction & Basics of Python](#section-1)
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2. [Conditional Statements](#section-2)
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3. [pip & Modules](#section-3)
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4. [Loops in Python](#section-4)
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5. [Strings in Python](#section-5)
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6. [Data Structures](#section-6)
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7. [Functions in Python](#section-7)
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8. [Virtual Environment & Requirements](#section-8)
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9. [File Handling in Python](#section-9)
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10. [Exception Handling](#section-10)
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11. [Logging in Python](#section-11)
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12. [Mega Projects](#section-12)
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13. [Regular Expressions](#section-13)
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14. [Solving Day-to-Day Problems](#section-14)
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15. [OOP in Python](#section-15)
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16. [Advanced OOP in Python](#section-16)
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17. [Projects & Final Exercises](#section-17)
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1. [Python — Core Exercises](#1-python--core-exercises)
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2. [Python — Array & List Algorithms](#2-python--array--list-algorithms)
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3. [Python — OOP (OOPS folder)](#3-python--oop-oops-folder)
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4. [JavaScript — Fundamentals](#4-javascript--fundamentals)
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5. [Web — HTML & CSS](#5-web--html--css)
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6. [LeetCode Solutions](#6-leetcode-solutions)
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---
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## Progress
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| Section | Topic | Duration | Status |
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| --- | --- | --- | --- |
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| **1. Introduction & Basics of Python** | | | |
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| 1.1 | Introduction to Python & Setup | 16min | ✅ Completed |
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| 1.2 | Write our first Program in Python | 13min | ✅ Completed |
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| 1.3 | Python Data Types & Comments | 18min | ✅ Completed |
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| 1.4 | Variables, Keywords & Identifiers in Python | 22min | ✅ Completed |
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| 1.5 | Python Input | 18min | ✅ Completed |
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| 1.6 | Type Conversion in Python | 8min | ✅ Completed |
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| 1.7 | Literals in Python | 14min | ✅ Completed |
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| 1.8 | Operators in Python | 24min | ✅ Completed |
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| 1.9 | Operators Exercise | 11min | ✅ Completed |
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| **2. Conditional Statements** | | | |
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| 2.1 | If Else Conditional Statements | 30min | ✅ Completed |
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| 2.2 | Conditional Statements Exercise | 20min | ✅ Completed |
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| **3. pip & Modules** | | | |
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| 3.1 | Modules in Python | 17min | ✅ Completed |
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| 3.2 | Pip in Python | 9min | ✅ Completed |
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| **4. Loops in Python** | | | |
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| 4.1 | While Loop | 23min | ✅ Completed |
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| 4.2 | Guessing Game using While Loop | 11min | ✅ Completed |
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| 4.3 | For Loops | 11min | ✅ Completed |
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| 4.4 | Nested For Loop | 18min | ✅ Completed |
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| 4.5 | Loop Control Statements | 14min | ✅ Completed |
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| **5. Strings in Python** | | | |
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| 5.1 | Strings in Python | 28min | ✅ Completed |
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| 5.2 | String Operations | 14min | ✅ Completed |
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| 5.3 | String Methods | 31min | ✅ Completed |
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| 5.4 | f-strings in Python | 4min | ✅ Completed |
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| 5.5 | Strings Exercise | 18min | ✅ Completed |
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| **6. Data Structures** | | | |
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| 6.1 | Lists in Python | 44min | ❌ Not Started |
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| 6.2 | Lists Methods | 18min | ❌ Not Started |
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| 6.3 | Lists Operations | 4min | ❌ Not Started |
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| 6.4 | List Comprehension | 13min | ❌ Not Started |
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| 6.5 | Zip Function | 9min | ❌ Not Started |
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| 6.6 | Lists Exercise | 18min | ❌ Not Started |
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| 6.7 | Tuples in Python | 15min | ❌ Not Started |
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| 6.8 | Tuples Operations | 3min | ❌ Not Started |
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| 6.9 | Tuples Methods | 4min | ❌ Not Started |
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| 6.10 | Difference between Lists and Tuples | 5min | ❌ Not Started |
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| 6.11 | Tuples Unpacking | 4min | ❌ Not Started |
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| 6.12 | Tuples Comprehension | 4min | ❌ Not Started |
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| 6.13 | Sets in Python | 19min | ❌ Not Started |
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| 6.14 | Sets Operations | 6min | ❌ Not Started |
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| 6.15 | Sets Methods | 8min | ❌ Not Started |
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| 6.16 | Frozenset in Python | 5min | ❌ Not Started |
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| 6.17 | Sets Comprehension | 3min | ❌ Not Started |
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| 6.18 | Dictionary in Python | 23min | ❌ Not Started |
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| 6.19 | Dictionary Operations | 3min | ❌ Not Started |
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| 6.20 | Dictionary Methods | 4min | ❌ Not Started |
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| 6.21 | Dictionary Comprehension | 7min | ❌ Not Started |
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| 6.22 | Restaurant Management System | 12min | ❌ Not Started |
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| **7. Functions in Python** | | | |
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| 7.1 | Functions in Python | 20min | ❌ Not Started |
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| 7.2 | Docstrings in Functions | 7min | ❌ Not Started |
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| 7.3 | Parameters vs Arguments | 7min | ❌ Not Started |
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| 7.4 | *args and **kwargs | 12min | ❌ Not Started |
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| 7.5 | Function Memory Execution | 4min | ❌ Not Started |
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| 7.6 | Functions without Return Statement | 4min | ❌ Not Started |
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| 7.7 | Variable Scope in Functions | 11min | ❌ Not Started |
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| 7.8 | Nested Functions | 7min | ❌ Not Started |
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| 7.9 | Functions as First-Class Citizens | 10min | ❌ Not Started |
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| 7.10 | Benefits of Using Functions | 3min | ❌ Not Started |
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| 7.11 | Lambda Function | 14min | ❌ Not Started |
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| 7.12 | Higher Order Functions (map, filter, reduce) | 13min | ❌ Not Started |
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| 7.13 | Enumerate Function | 4min | ❌ Not Started |
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| **8. Virtual Environment & Requirements** | | | |
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| 8.1 | Virtual Environment in Python | 12min | ❌ Not Started |
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| 8.2 | requirements.txt in Python | 10min | ❌ Not Started |
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| **9. File Handling in Python** | | | |
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| 9.1 | File Handling | 19min | ❌ Not Started |
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| 9.2 | File Handling using Context Manager | 23min | ❌ Not Started |
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| 9.3 | Problems with Text Mode | 8min | ❌ Not Started |
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| 9.4 | Serialization & Deserialization | 10min | ❌ Not Started |
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| 9.5 | Pickling in Python | 5min | ❌ Not Started |
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| **10. Exception Handling** | | | |
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| 10.1 | Exception Handling in Python | 21min | ❌ Not Started |
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| 10.2 | Types of Exception Handling | 9min | ❌ Not Started |
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| 10.3 | Try Except Else | 3min | ❌ Not Started |
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| 10.4 | Try Except Else Finally | 3min | ❌ Not Started |
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| 10.5 | Raise Exception | 3min | ❌ Not Started |
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| **11. Logging in Python** | | | |
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| 11.1 | Logging in Python | N/A | ❌ Not Started |
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| **12. Mega Projects** | | | |
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| 12.1 | Building an Iron Man JARVIS System | 1hr | ❌ Not Started |
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| 12.2 | Building a Multilingual AI Assistant | 31min | ❌ Not Started |
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| **13. Regular Expressions** | | | |
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| 13.1 | Introduction to Regular Expressions | 23min | ❌ Not Started |
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| **14. Solving Day-to-Day Problems** | | | |
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| 14.1 | Automated Email Sender in Python | 24min | ❌ Not Started |
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| **15. OOP in Python** | | | |
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| 15.1 | Introduction to Object-Oriented Programming | 17min | ❌ Not Started |
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| 15.2 | OOP Classes and Objects | 15min | ❌ Not Started |
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| 15.3 | Constructor and Destructor | 8min | ❌ Not Started |
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| 15.4 | Inheritance | 19min | ❌ Not Started |
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| 15.5 | Encapsulation | 10min | ❌ Not Started |
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| 15.6 | Polymorphism | 11min | ❌ Not Started |
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| 15.7 | Abstraction | 5min | ❌ Not Started |
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| **16. Advanced OOP in Python** | | | |
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| 16.1 | Multiple Inheritance | 6min | ❌ Not Started |
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| 16.2 | Method Resolution Order (MRO) | 4min | ❌ Not Started |
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| 16.3 | Operator Overloading | 8min | ❌ Not Started |
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| 16.4 | Class Methods vs Static Methods | 6min | ❌ Not Started |
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| **17. Projects & Final Exercises** | | | |
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| 17.1 | Project: Website Scraper | 30min | ❌ Not Started |
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| 17.2 | Project: Create an API with Flask | 1hr | ❌ Not Started |
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| 17.3 | Final Review and Bonus Content | 25min | ❌ Not Started |
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|**18 .Mega OOP Project**| | | |
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| 18.1 | Conclusion and Future Advice | 34min | ❌ Not Started |
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---
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## 1. Python — Core Exercises
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| File | Description |
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|------|-------------|
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| [common_elements.py](common_elements.py) | Find common elements between two lists |
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| [dunder.py](dunder.py) | Dunder (magic) methods in Python |
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| [employee.py](employee.py) | Employee class — OOP basics (class, attributes, methods) |
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| [finding_element_index.py](finding_element_index.py) | Find the index of an element in a list |
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| [guess_game.py](guess_game.py) | Number guessing game using a while loop |
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| [list_operations_demo.py](list_operations_demo.py) | Demo of common list operations |
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| [merge_two_list.py](merge_two_list.py) | Merge two lists into one |
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| [missing_number.py](missing_number.py) | Find the missing number in a sequence |
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| [remove_duplicates.py](remove_duplicates.py) | Remove duplicate values from a list |
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| [second_largest_element.py](second_largest_element.py) | Find the second largest element in a list |
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| [sort Array.py](sort%20Array.py) | Sort an array |
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| [sum_of_elements.py](sum_of_elements.py) | Calculate the sum of list elements |
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| [swap_without_temp.py](swap_without_temp.py) | Swap two variables without a temporary variable |
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| [without_moduler.py](without_moduler.py) | Check odd/even without the modulo operator |
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| [Move All Zeros to the End.py](Move%20All%20Zeros%20to%20the%20End.py) | Move all zeros to the end of an array |
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Feel free to add or modify more details, or sections, based on your learning progress.
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---
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## Structure
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## 2. Python — Array & List Algorithms
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The repository is organized by topics, with each topic containing directories for my personal solutions. Each directory includes:
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- **Solution:** My code implementation of the problem.
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- **Additional Notes:** Any insights or comments I found useful while solving the problem.
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### Example Structure
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```
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| File | Description |
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|------|-------------|
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| [sliding_window_sum.py](sliding_window_sum.py) | Sliding window sum of a fixed-size window |
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| [max_sliding_window_sum.py](max_sliding_window_sum.py) | Maximum sum using the sliding window technique |
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| [max_subarray_sum_length4.py](max_subarray_sum_length4.py) | Maximum subarray sum of length 4 |
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---
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├── Day 1
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│ ├── Lec 1: Introduction to Python & Setup
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 2: Write Our First Program in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 3: Python Data Types & Comments
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 4: Variables, Keywords & Identifiers in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 5: Python Input
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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├── Day 2
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│ ├── Lec 6: Type Conversion in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 7: Operators in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 8: Conditional Statements (if, else, elif)
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 9: Loops (while, for)
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 10: Strings in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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├── Day 3
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│ ├── Lec 11: Lists in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 12: Tuples in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 13: Sets in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 14: Dictionaries in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 15: Functions in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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├── Day 4
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│ ├── Lec 16: Exception Handling in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 17: Logging in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 18: Object-Oriented Programming (OOP) in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 19: Class Inheritance in OOP
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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├── Day 5
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│ ├── Lec 20: Advanced OOP Concepts in Python
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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│ ├── Lec 21: Final Project (Building a Python-Based JARVIS System)
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│ │ ├── Problem1.py
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│ │ ├── Problem2.py
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│ │ └── ...
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## 3. Python — OOP (`OOPS/` folder)
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| File | Description |
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|------|-------------|
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| [single_inheritence.py](OOPS/single_inheritence.py) | Single inheritance example |
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| [python_multi_level_inheritance.py](OOPS/python_multi_level_inheritance.py) | Multi-level inheritance |
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| [practice_multilevel_inheritence.py](OOPS/practice_multilevel_inheritence.py) | Practice: multi-level inheritance |
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| [multiple_inheritence_example.py](OOPS/multiple_inheritence_example.py) | Multiple inheritance basics |
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| [multiple_inheritence_example1.py](OOPS/multiple_inheritence_example1.py) | Multiple inheritance — example 2 |
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| [practice_multiple_inheritence.py](OOPS/practice_multiple_inheritence.py) | Practice: multiple inheritance |
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| [python_multiple_inheritance_demo.py](OOPS/python_multiple_inheritance_demo.py) | Full demo of multiple inheritance |
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| [multiple_and_multilevel_inheritance.py](OOPS/multiple_and_multilevel_inheritance.py) | Combined multiple & multilevel inheritance |
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| [hierarchical_inheritence.py](OOPS/hierarchical_inheritence.py) | Hierarchical inheritance |
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| [hybrid_inheritence.py](OOPS/hybrid_inheritence.py) | Hybrid inheritance |
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| [hybrid_inheritence_example1.py](OOPS/hybrid_inheritence_example1.py) | Hybrid inheritance — example with diagram comments |
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| [method_overriding_function.py](OOPS/method_overriding_function.py) | Method overriding |
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| [super_function_example.py](OOPS/super_function_example.py) | Using `super()` in inheritance |
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| [is_sub_class_function.py](OOPS/is_sub_class_function.py) | `issubclass()` and `isinstance()` built-in functions |
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| [Product_of_array.py](OOPS/Product_of_array.py) | Product of array elements (algorithm practice) |
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| [Increasing_Triplet_Subsequence.py](OOPS/Increasing_Triplet_Subsequence.py) | Increasing triplet subsequence (algorithm practice) |
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```
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---
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## 4. JavaScript — Fundamentals
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| File | Description |
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|------|-------------|
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| [first.js](first.js) | First JavaScript program |
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| [functions.js](functions.js) | Function declarations and expressions |
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| [function_call.js](function_call.js) | Calling functions |
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| [function_test.js](function_test.js) | Function testing examples |
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| [multiple_return.js](multiple_return.js) | Functions with multiple return values |
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| [wrong_function.js](wrong_function.js) | Common function mistakes and fixes |
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| [arrays.js](arrays.js) | Array basics |
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| [array_length.js](array_length.js) | Array length property |
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| [append.js](append.js) | Appending elements to arrays/DOM |
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| [loop.js](loop.js) | Loop basics |
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| [while.js](while.js) | While loop examples |
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| [else_with_while.js](else_with_while.js) | Using else with while loops |
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| [for_in.js](for_in.js) | `for...in` loop |
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| [odd_or_even.js](odd_or_even.js) | Odd or even check |
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| [Access_object_value.js](Access_object_value.js) | Accessing object properties |
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| [Dom.js](Dom.js) | DOM manipulation |
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| [script.js](script.js) | General script examples |
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| [test.js](test.js) | Test / scratch file |
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| [prompt_version.js](prompt_version.js) | Using `prompt()` for user input |
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| [prompt_without_paras.js](prompt_without_paras.js) | `prompt()` without parameters |
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| [using_prompt_inside_function.js](using_prompt_inside_function.js) | `prompt()` inside a function |
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| [undeclared_version.js](undeclared_version.js) | Undeclared variables and `var`/`let`/`const` scoping |
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## Contributing
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---
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Although this repository is primarily for tracking my own progress, I welcome any suggestions, improvements, or discussions. Feel free to open an issue or submit a pull request if you find something that can be improved.
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## 5. Web — HTML & CSS
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## License
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| File | Description |
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|------|-------------|
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| [index.html](index.html) | Main HTML page |
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| [new.html](new.html) | Additional HTML page |
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| [style.css](style.css) | Stylesheet |
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This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
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---
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## Acknowledgements
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## 6. LeetCode Solutions
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- [Striver](https://takeuforward.org/strivers-a2z-dsa-course/strivers-a2z-dsa-course-sheet-2/): For creating the A-Z DSA sheet and providing a structured path for DSA practice.
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- The open-source community for continuous learning and collaboration.
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| File | Problem | Topic |
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|------|---------|-------|
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| [Leetcode/Leetcode_283.py](Leetcode/Leetcode_283.py) | #283 — Move Zeroes | Array, Two Pointers |
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| [Leetcode/leetcode_605.py](Leetcode/leetcode_605.py) | #605 — Can Place Flowers | Array, Greedy |
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