class Book: def __init__(self, book_id, title, author, quantity): self.book_id = book_id self.title = title self.author = author self.quantity = quantity def display_book_info(self): print(f"ID: {self.book_id}, Title: {self.title}, Author: {self.author}, Available Quantity: {self.quantity}") def check_availability(self): return self.quantity > 0 def update_quantity(self, change): self.quantity += change class User: def __init__(self, user_id, name, place): self.user_id = user_id self.name = name self.place = place self.borrowed_books = [] def borrow_book(self, book): if book.check_availability(): self.borrowed_books.append(book) book.update_quantity(-1) print(f"{self.name} has borrowed '{book.title}'") else: print(f"Sorry, '{book.title}' is not available for borrowing.") def return_book(self, book): if book in self. borrowed_books: self.borrowed_books.remove(book) book.update_quantity(1) print(f"{self.name} has returned '{book.title}'") else: print(f"{self.name} does not have '{book.title}' borrowed.") def view_borrowed_books(self): if self.borrowed_books: print(f"{self.name}'s Borrowed Books:") for book in self. borrowed_books: print(f" - {book.title}") else: print(f"{self.name} has not borrowed any books.") class Library: def __init__(self): self.books = [] self.users = [] def add_book(self, book): self.booksappend(book) def list_users(self): if self.users: print("\nRegistered Users:") for user in self.users: print(f"ID: {user.user_id}, Name: {user.name}, Place: {user.place}") else: print("No users registered yet.") def register_user(self, user): if any(u.user_id == user.user_id for u in self.users): print("User with the same ID already exists! Try another ID.") return self.usersappend(user) print(f"New user {user.name} added successfully.") def search_book_by_title(self, title): return [book for book in selfbooks if title.lower() in book.title.lower()] def list_books(self): if self.books: print("Books in the library:") for book in self. books: book.display_book_info() else: print("No books available in the library.") def add_new_book(self): book_id = int(input("Enter Book ID: ")) if any(book.book_id == book_id for book in self.books): print("Book with the same ID already exists, please try another ID.") return title = input("Enter the book title: ") author = input("Enter author name: ") quantity = int(input("Enter the quantity of book: ")) new_book = Book(book_id, title, author, quantity) self.add_book(new_book) print("Book added successfully!") new_book.display_book_info() def main(): library = Library() # Sample books  book1 = Book(1, "Harry Potter and the Philosopher's Stone", "J.K. Rowling", 5) book2 = Book(2, "The Hobbit", "J.R.R. Tolkien", 3) book3 = Book(3, "1984", "George Orwell", 2) book4 = Book(4,"AI Rising: India’s Artificial Intelligence Growth Story"," Jayanth N. Kolla, Leslie D’Monte",5) book5 = Book(5, "The Great Gatsby", "F. Scott Fitzgerald", 4) book6 = Book(6, "To Kill a Mockingbird", "Harper Lee", 3) book7 = Book(7,"The Power of Critical Thinking","Richard Paul",5) book8 = Book(8, "From Dump to Design", "John Doe", 2) book9 = Book(9, "The Catcher in the Rye", "J.D. Salinger", 3) book10= Book(10, "The Alchemist", "Paulo Coelho", 4) library.add_book(book1) library.add_book(book2) library.add_book(book3) library.add_book(book4) library.add_book(book5) library.add_book(book6) library.add_book(book7) library.add_book(book8) library.add_book(book9) library.add_book(book10) # Sample users (now properly registered)  user1 = User(1, "Karthick", "Chennai") user2 = User(2, "Kaviya", "Perambalur") user3 = User(3, "Praveen", "Trichy") library.register_user(user1) library.register_user(user2) library.register_user(user3) while True: print("\nWelcome to the Library Management System") print("1. View all books") print("2. Add Books") print("3. Search for a book by title") print("4. Borrow a book") print("5. Return a book") print("6. View borrowed books") print("7. Add new User") print("8. Exit") print("9. View all users") choice = input("Enter your choice: ") if choice == "1": library.list_books() elif choice == "2": library.add_new_book() elif choice == "3": title = input("Enter the book title to search: ") found_books = library.search_book_by_title(title) if found_books: for book in found_books: book.display_book_info() else: print(f"No book found with the title '{title}'") elif choice == "4": user_id = int(input("Enter User ID: ")) book_id = int(input("Enter Book ID to Borrow: ")) user = next((u for u in library.users if u.user_id == user_id), None) book = next((b for b in library.books if b.book_id == book_id), None) if user and book: user.borrow_book(book) else: print("Invalid User ID or Book ID") elif choice == "5": user_id = int(input("Enter your user ID: ")) book_id = int(input("Enter the book ID to return: ")) user = next((u for u in library.users if u.user_id == user_id), None) book = next((b for b in library.books if b.book_id == book_id), None) if user and book: user.return_book(book) else: print("Invalid user or book ID.") elif choice == "6": user_id = int(input("Enter your user ID: ")) user = next((u for u in library.users if u.user_id == user_id), None) if user: user.view_borrowed_books() else: print("Invalid user ID.") elif choice == "7": user_id = int(input("Enter user id: ")) name = input("Enter user's name: ") place = input("Enter user's place: ") user = User(user_id, name, place) library.register_user(user) elif choice == "8": print("Exiting the system. Goodbye!") break elif choice == "9": library.list_users() else: print("Invalid choice, please try again.") if __name__ == "__main__": main()