📞 Telephone Directory Management System (TDMS)

A simple and interactive command-line based contact manager built using Python. It allows users to store, search, update, delete, and export contact records easily.

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🚀 Features

• Add new contacts with name, phone, and email
• View all saved contacts
• Search contacts by name, phone, or email
• Update existing contact details
• Delete unwanted contacts
• Export contact list to CSV
• Stores data persistently using pickle

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🖥️ How to Run

python TDMS.py

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📋 Menu Options

1. Add Contact
2. View Contacts
3. Search Contact
4. Update Contact
5. Delete Contact
6. Export Contacts to CSV
7. Exit

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🗂️ File Structure

TDMS/
├── TDMS.py                    # Main program file
├── telephone_directory.dat    # Stores contact data (auto-created)
└── telephone_directory.csv    # Optional CSV export file

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🧩 Requirements

This project uses only standard Python libraries:

• pickle
• csv

✅ No external packages needed

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📤 CSV Export Example

Name,Phone,Email
Alice,9876543210,alice@example.com
Bob,9123456789,bob@example.com

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📚 Future Enhancements

• GUI with Tkinter or PyQt
• Input validation
• Backup/restore features
• Contact categories and tags

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📄 License

This project is free to use for learning and personal use.

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