python-by-example

📚 Project 03: Library Management System

Difficulty: 🟠 Advanced

Description

Build an object-oriented Library Management System where users can manage books, members, and borrowing/returning of books. This project emphasizes classes, inheritance, encapsulation, and error handling.

Requirements

1. Create a Book class with title, author, ISBN, and availability status
2. Create a Member class with name, member ID, and borrowed books list
3. Create a Library class that manages books and members
4. Allow adding/removing books from the library catalog
5. Allow registering new members
6. Implement borrow and return functionality with proper validation
7. Handle edge cases: book already borrowed, member limit reached, book not found
8. Display library catalog and member details

Concepts You’ll Practice

• Classes and Objects
• Inheritance and Encapsulation
• Properties and Methods
• Custom Exceptions
• __str__ and __repr__ magic methods
• Composition (Library has Books and Members)

Example Output

📚 LIBRARY MANAGEMENT SYSTEM
=============================

1. View Catalog
2. Add Book
3. Register Member
4. Borrow Book
5. Return Book
6. View Member Info
7. Exit

Choose: 4

Enter Member ID: M001
Enter Book ISBN: 978-0-13-110362-7

✅ "The C Programming Language" has been borrowed by Alice.
   Due date: 2025-02-15
   Books borrowed: 1/3

How to Run

cd projects/03_library_management
python solution.py

Bonus Challenges

• Add due dates and overdue book tracking
• Save library data to JSON for persistence
• Add search functionality (by title, author, or ISBN)