Initial commit: Inventory Management System with README, LICENSE, tests, and sample data

Author: Rumaisas-islam

.gitignore

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+# Python cache & environment
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+*.env
+*.venv
+env/
+venv/
+
+# OS generated files
+.DS_Store
+Thumbs.db
+
+# Inventory data files (keep local, don't push)
+inventory.txt
+*_backup.txt
+
+# Test run outputs (optional)
+test/*.txt
+test/__pycache__/

LICENSE

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+MIT License
+
+Copyright (c) 2025 Rumaisa Islam
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+Perfect! Let’s make a **professional README.md** for your Inventory Management project with all the elements you asked for: banner, badges, username, and clear instructions.
+
+Here’s a polished version you can directly use:
+
+```markdown
+<p align="center">
+  <img src="banner.png" alt="Inventory Management Banner" width="800"/>
+</p>
+
+# Inventory Management System
+
+**Author:** [Rumaisas-islam](https://github.com/Rumaisas-islam)  
+**Language:** Python 🐍  
+
+![Python Version](https://img.shields.io/badge/python-3.11-blue?logo=python) 
+![License](https://img.shields.io/badge/license-MIT-green)
+![VIP Level](https://img.shields.io/badge/VIP-Level%20Ultimate-orange)
+
+---
+
+## Overview
+This is a **simple console-based Inventory Management System** in Python that allows you to:
+
+- Add inventory items  
+- Search inventory by `Item_ID`, `Item_Name`, `Category`, or `Supplier_Name`  
+- Delete inventory items  
+- Update inventory items  
+- View all inventory IDs, names, or full inventory records  
+
+The program maintains an **inventory text file (`inventory.txt`)** and creates **backups** before deletion or update.
+
+---
+
+## Features
+1. **ID Generator:** Automatically generates unique `Item_ID`.  
+2. **Validation:** Input checks for proper data types.  
+3. **Backup:** Automatic backup created before deletion or update.  
+4. **Search:** Search inventory by multiple fields.  
+5. **View Options:** View only IDs, names, or all inventory details.  
+
+---
+
+## File Structure
+```
+
+Inventory-Management/
+│
+├── inventory.txt         # Main inventory data file
+├── sample.txt            # Sample data for testing
+├── test/                 # Folder for automated tests
+├── banner.png            # Project banner
+├── LICENSE               # MIT License
+├── README.md             # Project documentation
+└── .gitignore            # Git ignore file
+
+```
+
+---
+
+## How to Run
+1. Clone the repository:
+```bash
+git clone https://github.com/Rumaisas-islam/Python-Inventory-Management-System.git
+```
+
+2. Navigate to the project folder:
+
+```bash
+cd Inventory-Management
+```
+
+3. Run the program:
+
+```bash
+python inventory_management.py
+```
+
+4. Follow the on-screen menu to manage inventory.
+
+---
+
+## Testing
+
+Automated tests are included in the `test/` folder. Run tests using:
+
+```bash
+python -m unittest discover test
+```
+
+---
+
+## License
+
+This project is licensed under the **MIT License**. See [LICENSE](LICENSE) for details.
+
+---
+
+## Author
+
+[Rumaisas-islam](https://github.com/Rumaisas-islam)
+Python Developer | Console App Enthusiast