Linked List Project in Python | Smart Expense Tracker (DSA Project)

Looking for a DSA project in Python?
This is a real-world Linked List project where you build a Smart Expense Tracker from scratch.

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📌 About This Project

This project demonstrates how to use Linked List in Python to build a real-world application.

Most students learn:

• Insertion
• Deletion
• Traversal

But don’t know:

👉 “Where do we actually use Linked List?”

This project solves that problem by showing a practical implementation of Linked List in an Expense Tracker system.

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🎯 Who Should Use This?

• 🎓 BCA / BTech / MCA Students → Perfect for Mini / Major Project
• 💼 Job Seekers → Add to resume (DSA + Project)
• 👨‍💻 Beginners → Move from theory to real-world coding

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⚙️ Features

• ✅ Add Expense (Create)
• ✅ View Ledger (Traversal)
• ✅ Delete Record (Smart Selection)
• ✅ Filter by Amount / Date / Month
• ✅ Summary (Total + Average)
• ✅ Find Middle Transaction (Fast & Slow Pointer)
• ✅ Sorted Insertion (Date-wise)

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🧠 Concepts Used

• Linked List (Custom Implementation)
• Insertion, Deletion, Traversal
• Fast & Slow Pointer Technique
• Conditional Filtering (Logic Building)
• Real-world DSA application

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📂 Project Structure

linked-list-project-python/
│
├── expense_tracker.py
├── README.md

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💻 How to Run This Project

1️⃣ Clone the Repository

git clone [https://github.com/your-username/linked-list-project-python.git](https://github.com/your-username/linked-list-project-python.git)

2️⃣ Navigate to Project Folder

cd linked-list-project-python

3️⃣ Run the Program

python main.py

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📸 Output Screenshots

• Ledger Display

• Add Expense

• Filter Results

• Summary Output

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🎬 Watch Full Video Explanation

👉 Learn step-by-step here:
[Add YouTube Video Link]

📥 Download Source Code

👉 GitHub Repo:
https://github.com/your-username/linked-list-project-python

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🚀 About Study Trigger

Study Trigger is focused on:

• DSA Concepts
• Real-world Projects
• Interview Preparation

👉 We don’t just learn code… we build with it.

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⭐ Support & Contribution

If this project helped you:

• 👉 ⭐ Star this repository
• 👉 🔁 Share with your friends
• 👉 👨‍💻 Follow for more DSA projects