Personal Assistant Toolkit (Python)

This project is a modular Python-based personal assistant that helps manage contacts, track birthdays, normalize phone numbers, and store data persistently using a custom file format.

Features

📇 Contact Management (CLI Bot)

• Add, update, and view contacts
• Store multiple phone numbers per contact
• Error-handling with decorators
• Interactive command-line interface

🎂 Birthday Tracking

• Add and store birthdays
• Calculate days until next birthday
• Show upcoming birthdays (next 7 days)

💾 Persistent Storage

• Save and load records from a file (records.txt)
• Custom serialization format using |
• Context manager for safe read/write operations

📞 Phone Normalization

• Clean and standardize phone numbers
• Supports international Ukrainian format (+380)
• Removes unnecessary characters

---

Project Structure

.
├── contact_bot.py        # CLI assistant bot (commands, contacts)
├── address_book.py       # OOP address book with records & birthdays
├── storage.py            # File save/load with custom protocol
├── phone_normalizer.py   # Phone number formatting utility
└── records.txt           # Saved data (auto-generated)