Library Management System

book.py

Contains the Book and BookManager classes:

• Book: Represents a book with attributes like title, author, ISBN, number of copies, and availability.
• BookManager: Manages operations related to books, such as adding and listing books.

user.py

Contains the User and UserManager classes:

• User: Represents a user with attributes like name and user ID.
• UserManager: Manages operations related to users, such as adding and listing users.

check.py

Contains the CheckoutManager class:

• CheckoutManager: Manages book checkouts and returns.

storage.py

Contains the StorageManager class:

• StorageManager: Handles loading and saving data to CSV files.

main.py

The entry point of the application:

• Contains the main loop, user interface, and logic to manage the library system.

Run the main.py file to start the system.

python main.py

How to Use

1. Add a Book:

   • Choose option 1 in the main menu.
   • Enter the title, author, ISBN, and the number of copies.

2. List All Books:

   • Choose option 2 to display all the books in the library.

3. Add a User:

   • Choose option 3 to add a new user.
   • Enter the user's name and ID.

4. List All Users:

   • Choose option 4 to display all the users.

5. Check Out a Book:

   • Choose option 5 to check out a book.
   • Enter the user's ID and the ISBN of the book.

6. Return a Book:

   • Choose option 6 to return a book.
   • Enter the user's ID and the ISBN of the book.

7. List All Checkouts:

   • Choose option 7 to display all current checkouts.

8. Exit the System:

   • Choose option 8 to save all data and exit the system.

Data Storage

• Books: Stored in books.csv
• Users: Stored in users.csv
• Checkouts: Stored in checkouts.csv

The system automatically saves the data to these CSV files when you exit(choose option 8).