Library_Management_System.py

class Book:
    def __init__(self, title, author, isbn):
        self.title = title
        self.author = author
        self.isbn = isbn

    def __str__(self):
        return f"Title: {self.title}, Author: {self.author}, ISBN: {self.isbn}"

# Define the Library class
class Library:
    def __init__(self):
        self.books = []

    def add_book(self, book):
        self.books.append(book)
        print(f"Book '{book.title}' added to the library.")

    def remove_book(self, isbn):
        for book in self.books:
            if book.isbn == isbn:
                self.books.remove(book)
                print(f"Book '{book.title}' removed from the library.")
                return
        print("Book not found.")

    def search_book(self, title):
        found_books = [book for book in self.books if title.lower() in book.title.lower()]
        if found_books:
            print("Search results:")
            for book in found_books:
                print(book)
        else:
            print("No books found with that title.")

    def list_books(self):
        if self.books:
            print("Library Catalog:")
            for book in self.books:
                print(book)
        else:
            print("No books in the library.")

# Define the user interface
def main():
    library = Library()
    while True:
        print("\nLibrary Management System")
        print("1. Add a book")
        print("2. Remove a book")
        print("3. Search for a book")
        print("4. List all books")
        print("5. Exit")
        choice = input("Enter your choice: ")

        if choice == '1':
            title = input("Enter the title of the book: ")
            author = input("Enter the author of the book: ")
            isbn = input("Enter the ISBN of the book: ")
            book = Book(title, author, isbn)
            library.add_book(book)
        elif choice == '2':
            isbn = input("Enter the ISBN of the book to remove: ")
            library.remove_book(isbn)
        elif choice == '3':
            title = input("Enter the title to search for: ")
            library.search_book(title)
        elif choice == '4':
            library.list_books()
        elif choice == '5':
            print("Exiting the library management system.")
            break
        else:
            print("Invalid choice. Please try again.")

if __name__ == "__main__":
    main()