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Final ProjectIntermediate•3-4 hours

Contact Management System

Professional-grade contact manager with search, categories, and export features.

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📋 Project Overview

Build a comprehensive contact management system that stores contact information including names, phone numbers, emails, and addresses. Implement search functionality, categories, and import/export capabilities with CSV files.

🎯 Learning Objectives

  • Design contact data structure with multiple fields
  • Implement full CRUD operations for contacts
  • Create search functionality (name, phone, email)
  • Work with CSV files for import/export
  • Organize contacts into categories
  • Validate phone numbers and email formats
  • Generate contact statistics and reports

✨ Features to Implement

CoreMust-Have Features

  • ✓Add new contacts with multiple fields
  • ✓View all contacts in organized format
  • ✓Search contacts by name, phone, or email
  • ✓Update existing contact information
  • ✓Delete contacts from system
  • ✓Save/load contacts to/from JSON

EnhancedRecommended Features

  • ◉Import contacts from CSV file
  • ◉Export contacts to CSV format
  • ◉Organize contacts into groups (work, personal, family)
  • ◉Mark favorite contacts
  • ◉Display contact statistics
  • ◉Sort contacts by name

BonusChallenge Features

  • ⭐Track and display upcoming birthdays
  • ⭐Add notes field for each contact
  • ⭐Phone number formatting
  • ⭐Email validation
  • ⭐Duplicate detection
  • ⭐Backup and restore functionality

🗂️ Data Structure

Example of how to structure your data:

{
    "id": 1,
    "name": "John Smith",
    "phone": "555-1234",
    "email": "john@example.com",
    "address": "123 Main St",
    "category": "work",
    "favorite": false,
    "birthday": "1990-05-15",
    "notes": "Client from ABC Corp"
}

🛠️ Implementation Guide

1

Design Data Structure

20 min

Plan the contact dictionary structure and fields needed.

💡 Hints
  • Include essential fields: name, phone, email
  • Add optional fields: address, category, birthday
  • Use unique ID for each contact
  • Consider future expansion
2

Implement Add Contact

40 min

Create function to add contacts with input validation.

💡 Hints
  • Prompt for all required fields
  • Validate email format (contains @)
  • Format phone numbers consistently
  • Generate unique ID automatically
3

Create Display Functions

30 min

Display contacts in organized, readable format.

💡 Hints
  • Format output neatly with alignment
  • Show category and favorite status
  • Add visual separators
  • Handle empty contact list
4

Implement Search

45 min

Add search by name, phone, and email with partial matches.

💡 Hints
  • Use .lower() for case-insensitive search
  • Check if search term in field value
  • Return list of matching contacts
  • Display search results
5

Add CSV Import/Export

60 min

Implement CSV file operations for data portability.

💡 Hints
  • Use csv module from Python
  • Write headers for CSV file
  • Handle missing fields gracefully
  • Test with sample CSV file

✅ Testing Checklist

Make sure all these work before considering your project complete:

☐Add contact with all fields
☐View contacts displays correctly
☐Search finds correct contacts
☐Update contact modifies data
☐Delete removes contact
☐Export creates valid CSV
☐Import reads CSV correctly
☐Categories work properly

📊 Project Info

Difficulty

Intermediate

Estimated Time

3-4 hours

Prerequisites

Modules 1-6

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💡 Tips for Success

  • ✓Start with core features first
  • ✓Test each function as you build
  • ✓Use meaningful variable names
  • ✓Handle errors gracefully
  • ✓Add comments for complex logic
  • ✓Take breaks when stuck